Ask/Answer 4 W's in Literature Practice Test

According to the passage,

On Monday morning, Sofia visited the library with her class. She picked a book called "Big Cats" and sat quietly. Sofia read two pages and whispered new words to herself. The librarian said Sofia was a careful reader today.

Who picked the book called "Big Cats"?

According to the passage,

During recess, Keisha and Riley played tag on the soccer field. Keisha ran fast and tapped Riley on the shoulder. Riley laughed and chased Keisha back to the cones. They both drank water and felt happy after playing.

What did Keisha and Riley play during recess?