Determining which answer must be true based on the information given. Practice Test

Some of the college athletes playing football are also playing rugby, but none of them are playing soccer. Yet some of the soccer players are also playing rugby. For this reason, many coaches refer to rugby as the catch-all sport.

Which one of the following statements follows logically from the statements above?

Most successful professional football players began playing football as youths, though a significant number learned the sport later in life. No professional football player who ignored the advice of his coaches, however, has ever become successful.

If the above statements are true, which of the following must also be true?