You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.

Sentence: John likes to snow tube in the winter and tube down sand dunes in the summer. He notices he can attain greater speeds overall when he snow tubes. Question: Which surface has higher friction? (A) Snow (B) Sand
Sand

Sentence: Tim and Marty are on a basketball court getting some exercise. Marty walks around the perimeter of the court while Tim does sprints back and forth from end of the court to the other. Question: At the end of their session, who will have to wipe less perspiration off their face? (A) Tim (B) Marty.
Marty

Sentence: John loves watching football. He watches his favorite player run 80 yards for a touchdown. Question: Who is sweating less John or his favorite football player? (A) John (B) Favorite player
John