Bar Exam (Next Generation) Quiz: Identify Ambiguities In A Provided Resource

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Identify Ambiguities In A Provided ResourceQuestion 1 of 11

Lease Section 12. Tenant shall, at its sole cost, maintain the Premises in good condition and repair, ordinary wear and tear excepted. Upon expiration, Tenant shall surrender the Premises in the same condition as at commencement, reasonable wear and tear excepted. 'Ordinary wear and tear' means deterioration that occurs under normal use despite proper maintenance, excluding damage caused by accident, negligence, or misuse.

After five years, the carpet in the main walkway is worn and faded, and there are scuff marks from chairs; no stains, tears, or water damage are present. Landlord demands that Tenant replace the carpet. Which statement best identifies an ambiguity in applying the lease?

At its sole cost is ambiguous because it does not allocate the cost of capital improvements needed to comply with changes in building codes.

Good condition and repair is ambiguous because it could require Tenant to restore the Premises to the same aesthetic condition as new, which would make the wear-and-tear exception meaningless.

Same condition as at commencement is ambiguous because it does not say whether the condition at commencement was measured by a written inspection report or photographs.

Ordinary wear and tear is ambiguous because it does not mark when normal matting and scuffing become damage requiring replacement.

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Bar Exam (Next Generation) Quiz

Bar Exam (Next Generation) Quiz: Identify Ambiguities In A Provided Resource

Practice Identify Ambiguities In A Provided Resource in Bar Exam (Next Generation) with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

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This quiz focuses on Identify Ambiguities In A Provided Resource, giving you a quick way to practice the rules, question types, and explanations that matter most for Bar Exam (Next Generation).

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Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

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Question 1

At its sole cost is ambiguous because it does not allocate the cost of capital improvements needed to comply with changes in building codes.
Good condition and repair is ambiguous because it could require Tenant to restore the Premises to the same aesthetic condition as new, which would make the wear-and-tear exception meaningless.
Same condition as at commencement is ambiguous because it does not say whether the condition at commencement was measured by a written inspection report or photographs.
Ordinary wear and tear is ambiguous because it does not mark when normal matting and scuffing become damage requiring replacement. (correct answer)

Explanation: Think of this as a contract-interpretation question: when a lease defines a term, the ambiguity often lies at the boundary where the definition stops giving you an answer. The lease defines ordinary wear and tear as deterioration from normal use despite proper maintenance. The carpet in the main walkway is worn, faded, and scuffed from chairs—exactly the kind of deterioration normal use produces, with no stains, tears, or water damage. But defining the category doesn't answer the dispositive question: at what point does normal matting and scuffing cross into damage requiring replacement? That missing line is the ambiguity, making the statement about ordinary wear and tear the best answer. The other candidates identify lesser or misplaced issues. "At its sole cost" is not ambiguous here because it tells you who pays, not whether replacement is owed; code-compliance capital improvements are a different issue not raised by the facts. "Good condition and repair" is also a standard, but the lease expressly excepts ordinary wear and tear, so it does not require restoring the premises to a new aesthetic condition—that reading would swallow the exception. "Same condition as at commencement" could be ambiguous without a baseline inspection or photographs, but that is an evidence problem, not the central one. Even with a perfect baseline, you would still need a rule for distinguishing ordinary wear from damage requiring replacement. So the decisive ambiguity is the line between ordinary wear and tear and damage.

Question 2

Settlement Agreement Section 4. Upon payment of $50,000, Claimant releases and discharges the driver and the owner of the vehicle, and all other persons or entities claimed to be liable to Claimant from any and all claims, demands, damages, and causes of action of every kind, whether known or unknown, suspected or unsuspected, that Claimant ever had, now has, or may later have against them arising out of or in any way related to the collision of January 5, 2025, including all claims for personal injuries, property damage, contribution, indemnity, or any legal theory.

Claimant later sues the rental-car company that owned the automobile for negligent entrustment, alleging that it rented the car to the driver even though it knew the driver's license was suspended. The rental company did not participate in the settlement and paid no part of the $50,000. Which phrase in Section 4 is most ambiguous as to whether the release bars that claim?

Whether known or unknown is ambiguous because Claimant may not have known of the rental company's role at the time of settlement.
Arising out of or in any way related to is ambiguous because it does not state whether mere factual relationship to the collision is enough or a causal connection is required. (correct answer)
Claimed to be liable is ambiguous because it does not say whether the claim must have been asserted before the release or may be first asserted later.
Including all claims for personal injuries, property damage, contribution, indemnity, or any legal theory is ambiguous because the examples do not mention negligent entrustment.

Explanation: When you see a release, the job is to test its scope: who is released, what claims are released, and whether unknown claims are included. Here, the release names the driver, owner, and "all other persons or entities claimed to be liable," and it explicitly covers unknown claims. So the real ambiguity is about the subject matter — the phrase "arising out of or in any way related to" the collision. Does that cover negligent entrustment? Negligent entrustment is factually connected to the collision because it involves renting the car, but it is not necessarily a cause of the collision — the driver's negligent driving is the cause. The phrase does not state whether a mere factual relationship is enough or a causal connection is required, which is exactly the dispute. The other phrases are not genuinely ambiguous. "Whether known or unknown" actually cuts against the claimant: a release may bar claims you did not know about, so not knowing the rental company's role does not create ambiguity. "Claimed to be liable" is broad enough to include the rental company as an owner or as an entity later claimed to be liable; it does not require the claim to have been asserted before the release. "Including all claims for personal injuries, property damage, contribution, indemnity, or any legal theory" is illustrative, not limiting, and negligent entrustment falls under a legal theory for personal injury or property damage. Remember: on contract-release questions, separate the three scope questions — who, what, and when. If the party and timing language are clear, the fight is usually over the causal or factual connection between the claim and the underlying event.

Question 3

Section 5.1. Licensee shall use Commercially Reasonable Efforts to distribute the Products. Commercially Reasonable Efforts means, for any given Sales Plan, the expenditure of at least 80% of the amount that a similarly situated licensee would reasonably spend to maximize sales of the Products in its designated territory. Similarly situated licensee means a licensee that (i) has annual revenue between $10 million and $50 million, (ii) sells products in the same consumer electronics category, and (iii) operates in a territory with a population between 2 and 5 million.

Licensee has $20 million in revenue, sells printers, and serves a territory with 3 million people, but distributes only through its own website. Licensor's proposed comparators are in the same revenue, product, and territory bands but also use retail stores, catalogs, and wholesale distributors. Which phrase is the primary ambiguity in determining whether Licensee met the standard?

Annual revenue between $10 million and $50 million, because it does not say whether revenue includes returns, refunds, or excise taxes; a licensee at the bottom of the band may not be comparable.
Same consumer electronics category, because it does not specify whether printers and cameras are in the same category or whether accessories count as separate products.
Similarly situated licensee, because it lists revenue, product category, and territory but does not state whether distribution-channel differences matter, so Licensee's online-only model and the multichannel comparators may not be similarly situated. (correct answer)
In its designated territory, because it does not say whether population is measured at the beginning or end of the Sales Plan, which could change who qualifies as a comparator.

Explanation: Whenever you see a contract term that is explicitly defined, the question is usually testing whether the definition covers the factual gap. Here, the definition of Commercially Reasonable Efforts turns on who counts as a similarly situated licensee. That phrase is the primary ambiguity: it lists revenue, product category, and territory, but says nothing about distribution channels. Licensee sells only through its own website, while the proposed comparators also use retail stores, catalogs, and wholesalers. Those different channels can mean very different costs and sales capacity, so a licensee with $20 million revenue selling printers to 3 million people is not necessarily "similarly situated" to a multichannel seller. That factual mismatch is exactly the kind of unresolved detail the drafter left open. The other choices are secondary or less central. The annual revenue phrase is ambiguous about returns, refunds, or excise taxes, but both parties fall in the same revenue band, so any bottom-of-band mismatch is not the primary dispute. The consumer electronics category phrase could indeed be unclear — printers versus cameras, accessories — but the facts already assume the comparators are in the same product band, making channel the real differentiator. The designated territory population-timing issue is a minor measurement concern, not the core comparability problem. Finally, the whole definition is built on the phrase similarly situated licensee; when a defined term has internal gaps, that term itself — not its subparts — is usually the primary ambiguity. Strategy: When a contractual definition uses a standard like "similarly situated," check every non-listed fact: if the parties differ on a fact the definition omits, that omission is likely the ambiguity the exam wants you to flag.

Question 4

Section 10. In any action to enforce this Agreement, the prevailing party shall be awarded its reasonable attorney's fees and costs. 'Reasonable attorney's fees' means fees that are customary in the county where the action is pending for similar services performed by lawyers of comparable experience.

Buyer won a motion to dismiss and seeks fees for 80 hours of a senior partner's time at $1,200 per hour. The prevailing market rate in the county for motions to dismiss is $500 to $800 per hour, but the senior partner has 30 years' experience and the motion involved unsettled issues. Which phrase in the fee provision is most directly ambiguous?

Prevailing party is ambiguous because Buyer won only a motion to dismiss and the action continues, so it may not yet be known who will ultimately prevail.
Similar services is ambiguous because it does not state whether the comparison is to routine motions to dismiss generally or to complex motion work by senior partners. (correct answer)
Customary in the county is ambiguous because it does not say whether customary rates are set by the local bar association or by actual billing data, nor does it specify the relevant time period.
Awarded is ambiguous because it does not state whether the court must award fees automatically or may reduce them for equitable reasons.

Explanation: Whenever you see a fee-shifting provision, your job is to identify which term actually drives the dispute. Here, the provision defines "reasonable attorney's fees" by three components: "customary in the county," "similar services," and "lawyers of comparable experience." The buyer wants $1,200/hour, but the market rate for routine motions is $500–$800. The real fight is over what "similar services" means — does it compare to all motions to dismiss, or to complex motions handled by senior partners on unsettled legal issues? That phrase is most directly ambiguous because it creates two plausible baselines, and the answer hinges entirely on which baseline you choose. The other choices miss the mark. "Prevailing party" is a recognized legal term; winning a motion to dismiss may or may not satisfy it, but that's not the core ambiguity here. "Customary in the county" is also arguable, but the provision already anchors custom to county practice, and the dispute isn't about geography or time period — it's about the nature of the services. "Awarded" says "shall," which suggests automaticity; the ambiguity lies in computing the fee, not in whether to grant it. Finally, the fifth choice is not present, but if it were, it would likely restate the same "prevailing party" confusion. Your takeaway: when a contract defines a term, isolate which element of that definition is factually contested. The phrase that creates the true fork in the road is the ambiguity the exam wants you to spot.

Question 5

Court Rule 26(b). A court may extend a discovery deadline after it has expired only upon a showing of good cause. Good cause exists when: (1) the failure was caused by excusable neglect; (2) the evidence sought is essential to the claim or defense; (3) no unfair prejudice to the opposing party will result from the extension; and (4) the moving party diligently pursued the action. The court shall consider all relevant circumstances.

Plaintiff missed a discovery deadline because her attorney was suspended from practice and did not inform her; the evidence she seeks is critical, no prejudice will result from an extension, but she did not check the court docket for three months. Which statement best identifies an ambiguity in applying Rule 26(b)?

All relevant circumstances is ambiguous because it does not say whether circumstances arising after the motion was filed may be considered.
Essential to the claim or defense is ambiguous because it does not say whether the evidence must be outcome-determinative or merely helpful.
No unfair prejudice is ambiguous because it does not define whether delay alone, lost memories, or increased costs count as unfair prejudice.
Excusable neglect is ambiguous because it does not say whether the client's or the attorney's conduct is measured, making it unclear whose failure controls here. (correct answer)

Explanation: When you see a question asking which term is "ambiguous," don't just look for a word that could have two definitions. Look for the term whose uncertainty actually changes the outcome on these facts. Here, the key conflict is that the attorney's suspension caused the missed deadline, but the plaintiff herself failed to check the docket for three months. Rule 26(b) requires "excusable neglect" and "diligent pursuit," but it never says whose conduct counts. Is the attorney's failure imputed to the plaintiff, making the neglect excusable? Or does the plaintiff's own inaction defeat her claim? That unresolved attribution is the central ambiguity, and it is why the correct answer is that "excusable neglect" is ambiguous because it does not say whether the client's or attorney's conduct is measured. The other choices identify possible ambiguities, but they are less central. "All relevant circumstances" could raise timing questions, but the facts already give you the relevant circumstances. "Essential to the claim or defense" might need clarification, but the evidence here is described as critical, so it is not the contested issue. "No unfair prejudice" also could be defined more precisely, but the facts state no prejudice will result. The trap is choosing a general ambiguity instead of the one the facts actually trigger. On exam day, ask: which vague phrase is doing the work in this dispute? That is the ambiguity they want.

Question 6

City Code Section 14-3. An owner of residential property shall remove or repair any dangerous condition created by a severe weather event on the sidewalk adjoining the property within 48 hours after the event ends. A severe weather event means a tornado, hurricane, flood, blizzard, or other similarly destructive natural occurrence.

A pedestrian slips on ice that formed during an overnight wintry mix that left one inch of rain and had sustained winds of 25 mph; the owner took no corrective action within 48 hours after the mix ended. Which phrase in the ordinance is the most direct source of ambiguity in applying the severe weather event definition?

Other similarly destructive natural occurrence, because the ordinance provides no standard for determining whether a wintry mix with one inch of rain and 25 mph winds counts as a severe weather event. (correct answer)
Created by a severe weather event, because the dangerous condition could be attributed to the weather or to the owner's failure to remove the ice.
After the event ends, because the 48-hour deadline could begin when precipitation stopped or when the severe weather warning expired.
Residential property, because the owner's fee title may end at the curb rather than at the sidewalk.

Explanation: When an exam asks which phrase in a statute creates ambiguity, focus on the language that determines whether the facts are covered at all. Here, the ordinance defines a severe weather event by listing specific disasters and adding a catch-all: "other similarly destructive natural occurrence." That catch-all is the most direct source of ambiguity because it gives no standard for comparing a wintry mix—one inch of rain and 25 mph winds—to a tornado, hurricane, flood, or blizzard. A court would need to decide whether those conditions are "similarly destructive," making coverage uncertain. The phrase "created by a severe weather event" is not the definitional problem; it concerns causation, not whether the event qualifies. "After the event ends" is genuinely ambiguous, but it affects the timing of the 48-hour deadline, not the definition of a severe weather event. Likewise, "residential property" raises a boundary question about the owner's duty, but it has nothing to do with whether the wintry mix was severe. Your takeaway: when a statute uses a general catch-all phrase after specific examples, apply the interpretive canon ejusdem generis—the catch-all is limited to things like the listed examples, but the similarity standard is often vague. On the bar, spot that ambiguity by asking, "What words make the outcome uncertain for these exact facts?"

Question 7

In re Delta Corp., 2025 WL 998877 (N.D. Ill. Mar. 5, 2025). The duty to preserve evidence arises when litigation is reasonably foreseeable. Litigation is reasonably foreseeable when a reasonable party in the party's position would have concluded that the probability of a lawsuit being filed was substantially greater than the possibility of no suit. A party must then take reasonable and good faith steps to preserve evidence that it knows or should know is relevant to the dispute.

Delta was sued by a former employee two weeks after it deleted the employee's emails under a routine 90-day retention policy. Delta's in-house counsel had received a demand letter six weeks before deletion but concluded the claim was weak. Which statement best identifies an ambiguity in the court's standard?

The phrase 'reasonable and good faith steps' is ambiguous because the rule does not state whether a routine retention policy can ever be a reasonable step when litigation is foreseeable.
The phrase 'substantially greater than the possibility of no suit' is undefined, so the duty's trigger is unclear; the key question is whether the demand letter satisfied that standard. (correct answer)
The phrase 'relevant to the dispute' is ambiguous because emails may be relevant without being admissible and without bearing on a claim or defense.
The phrase 'in the party's position' is ambiguous because it does not state whether the party's subjective good faith belief about claim strength may be considered.

Explanation: This question tests when the duty to preserve evidence attaches. The court's standard has two distinct parts: the trigger (litigation reasonably foreseeable) and the scope (reasonable steps to preserve relevant evidence). The best answer points to the trigger's vagueness. The key phrase is "substantially greater than the possibility of no suit." The court does not define what probability meets that threshold, so the duty's onset is unclear. Here, Delta received a demand letter six weeks before deleting the emails, and in-house counsel thought the claim weak. That makes the pivotal question whether the demand letter made litigation reasonably foreseeable under the undefined standard — not whether Delta's deletion policy was ultimately reasonable. The other choices miss this. The phrase "reasonable and good faith steps" is about what a party must do after the duty arises, not when it arises; a routine retention policy may be reasonable before litigation is foreseeable but not after. The phrase "relevant to the dispute" is not ambiguous merely because relevant evidence can be inadmissible; relevance for preservation is broader than admissibility. Finally, "in the party's position" is an objective standard, so Delta's subjective belief that the claim was weak does not control. On the exam, when a rule uses an undefined probability or likelihood threshold, focus on whether the question tests the trigger of a duty rather than compliance with it. Ask: did the event make litigation foreseeable enough?

Question 8

Section 8.1. 'Material Adverse Effect' means any event or change that has a material adverse effect on the business, results of operations, or financial condition of the Company, taken as a whole; provided, however, that adverse changes resulting from (i) general economic or political conditions, (ii) changes in law or GAAP, or (iii) any failure by the Company to meet internal projections shall not be deemed a Material Adverse Effect.

The Company's largest customer, accounting for 30% of revenue, announced it would stop buying after a product-quality dispute, and revenue dropped 18% in one quarter. Buyer refuses to close, claiming a Material Adverse Effect. Which statement best identifies an ambiguity in the definition?

Material is ambiguous because it sets no baseline for measuring the 18% drop: same quarter last year, projected revenue, or trailing twelve-month revenue. (correct answer)
Taken as a whole is ambiguous because it could mean the Company's entire enterprise or only the product line or segment affected by the lost customer.
General economic or political conditions is ambiguous because it could include downturns in the customer's industry, which would turn a company-specific event into an excluded condition.
Changes in law or GAAP is ambiguous because it does not say whether changes adopted after the signing but before closing are covered.

Explanation: When you see a Material Adverse Effect definition, focus on two things: what is being measured, and against what baseline. This question tests the classic drafting ambiguity: the definition says "material adverse effect" but never tells you how to measure materiality. The 18% revenue drop is only meaningful if compared to something — the same quarter last year, projected revenue, or trailing twelve-month figures. Because the definition supplies no baseline, "material" is genuinely ambiguous, making that the best answer. "Taken as a whole" is not ambiguous here because the definition expressly says the Company, taken as a whole, is the subject. That language actually rules out looking only at a product line or segment. "General economic or political conditions" is also not the best fit: a lost customer due to a product-quality dispute is company-specific, not a general condition, and the carveout would not turn that into an excluded event. "Changes in law or GAAP" raises a possible timing question about pre- vs. post-signing changes, but it is not the ambiguity driving this fact pattern. Study tip: when a contract definition contains a standard but undefined term like "material," ask "compared to what?" The bar exam loves testing missing baselines and omitted temporal limits.

Question 9

Board Rule 407. An applicant for a license shall establish good moral character. In assessing good moral character, the Board may consider: (1) any conviction of a crime, except misdemeanors punishable only by fine; (2) any act involving dishonesty, fraud, or deceit; (3) any violation of a prior licensing order; and (4) the applicant's candor during the application process. No applicant shall be denied absent clear and convincing evidence that the applicant's conduct bears directly on the applicant's fitness to practice the licensed profession.

Applicant has two 20-year-old felony convictions for drug possession, a recent citation for driving with expired registration, and an otherwise unblemished record of community service. The Board denies the application solely because of the felony convictions. Which phrase in Rule 407 is the main source of ambiguity in the Board's decision?

Misdemeanors punishable only by fine is ambiguous because it does not say whether a crime punishable by fine or imprisonment is an excepted misdemeanor when no imprisonment was imposed.
Bears directly on fitness is ambiguous because it does not specify what connection drug possession has to professional practice, nor whether a conviction's age, rehabilitation, or community service may be considered. (correct answer)
Clear and convincing evidence is ambiguous because it does not specify whether the standard requires a numerical probability or merely a firm belief.
Candor is ambiguous because it does not state whether the applicant's demeanor during interviews may be used.

Explanation: Whenever you see a question about administrative rule interpretation, identify the exact phrase that the decision hinges on. The Board denied the applicant solely because of two 20-year-old felony convictions, so the key language is the final sentence: the Board needs clear and convincing evidence that the applicant's conduct "bears directly on fitness to practice." That phrase is ambiguous because the rule does not define what connection drug possession has to professional practice, nor does it tell you whether the convictions' age, rehabilitation, or community service can weigh against them. That is exactly why "Bears directly on fitness" is the main source of ambiguity. "Misdemeanors punishable only by fine" is a distractor because the applicant's convictions are felonies, not misdemeanors, so that exception is not at issue. "Clear and convincing evidence" is also a distractor: it concerns the burden of proof, but the Board's decision is ambiguous primarily because of the substantive link required, not the probability standard. "Candor" is irrelevant here because nothing suggests the applicant was dishonest during the application process; the decision was based on the convictions alone. Study tip: when an agency applies a vague standard to specific facts, look for the phrase that connects the facts to the legal conclusion. Ask: "What needs interpretation to make this decision?" That will point you to the true ambiguity.

Question 10

Valdez v. Summit Construction, 2025 WL 432178 (Tex. App. 2024). To determine whether a worker is an employee or an independent contractor, courts consider: (1) the degree of control the employer has over the manner in which work is performed; (2) the worker's opportunity for profit or loss; (3) whether the worker's services are part of the employer's regular business; (4) the permanency of the relationship; and (5) the skill required. No single factor is dispositive; courts weigh the factors according to their significance in the particular case.

A roofer uses his own tools, sets his own schedule, and is paid hourly, but he has worked exclusively for Summit for three years, and Summit's contract says it may inspect and supervise the work at any time. Which statement best identifies an ambiguity in applying factor (1) to these facts?

Degree of control, because it does not say whether the relevant control is the right to control or its actual exercise, and Summit's reserved inspection right points differently than its hands-off practice. (correct answer)
Opportunity for profit or loss, because it does not specify whether hourly pay plus the ability to take other jobs is a profit opportunity.
Whether services are part of regular business, because a roofer's services could be part of Summit's framing business or merely incidental to it.
Skill required, because roofing licenses vary by state and a worker could be highly skilled in one task and not another.

Explanation: When you see a multi-factor test like this worker-classification question, your job is to match each fact to the factor it actually implicates. Here, factor (1) asks about "degree of control," and the facts pull in opposite directions: Summit's contract reserves the right to inspect and supervise (suggesting control), but Summit rarely exercises that right, and the roofer uses his own tools and sets his own schedule (suggesting independence). That tension is exactly the ambiguity — factor (1) does not tell you whether to weigh the right to control or its actual exercise. That is why the correct answer is the one about "degree of control" and the reserved inspection right versus hands-off practice. The other choices are traps because they invoke different factors. "Opportunity for profit or loss" is factor (2), not factor (1), and hourly pay plus outside jobs would matter there. "Whether services are part of regular business" is factor (3), and roofing could indeed be part of Summit's construction business, but that does not resolve the control ambiguity. "Skill required" is factor (5), and licensing variations are irrelevant to the control question. On exam day, when a question asks about a specific factor, eliminate answers that describe other factors, and look for facts that show internal tension within the factor being tested.

Question 11

Section 1. 'Product' means the Model 4000 printer manufactured by Seller under this Agreement. 'Improvement' means any modification or enhancement to the Product, including bug fixes, patches, updates, and new versions of the Product. Section 2. Seller grants Buyer a non-exclusive, non-transferable license to use the Product and all Improvements. Section 3. During the Term, Seller shall provide Buyer with any Improvement released by Seller at no additional cost.

Seller has released a new Model 5000 printer that uses the same print engine as the Model 4000 but has a different chassis, upgraded software, and a higher price. Buyer demands it at no charge under Section 3. Which phrase in Section 1 is the main source of ambiguity in Buyer's claim?

Under this Agreement because it is unclear whether printers built before the Agreement was signed but delivered afterward could also count as Products, even if never offered to other buyers.
Non-exclusive because it does not say whether Seller may license the Model 5000 to Buyer's competitors if it counts as an Improvement, or whether Buyer has exclusive rights in one territory.
New versions of the Product because it could mean only products sold under the Model 4000 name or any later product that uses the same core technology, so the Model 5000 may or may not qualify. (correct answer)
At no additional cost because it does not define whether shipping, installation, training, or taxes must be provided without charge when the Improvement is delivered.

Explanation: When you see a contract-interpretation question like this, identify the exact word or phrase the claimant's argument depends on. Buyer is not arguing about when Model 4000 printers were made or about Seller's ability to license competitors. Buyer's whole claim is that the Model 5000 counts as an "Improvement" under Section 1. The phrase "new versions of the Product" is the main source of ambiguity because it could mean only updated Model 4000 versions sold under that same name, or it could mean any later product sharing the same core engineering—here, the same print engine. Since the Model 5000 has a different chassis, upgraded software, and higher price, reasonable people could disagree about whether it is a "new version" or a separate product. That ambiguity directly drives Buyer's demand. The other choices are traps. "Under this Agreement" might create timing questions about printers delivered after signing, but it does not resolve whether a different model is the same Product. "Non-exclusive" concerns whether Buyer has exclusive territory rights, not whether Seller must give free upgrades. "At no additional cost" only matters if the item is an Improvement; it cannot define the scope of "Improvement" itself, so it does not answer the actual dispute. Study tip: when a question asks which phrase is the "main source of ambiguity," choose the term that determines the scope of the obligation, not a term that becomes relevant only after that scope is resolved.