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.

Example input: Sentence: Jacob and Benny are squatting at the gym. Jacob has thin frail legs and Benny has big strong legs. Question: Who squats less weight? (A) Jacob (B) Benny
Example output: Jacob
Example explanation: Typically, people with thin frail legs squat less weight than people with big strong legs, so the answer is Jacob.
Q: Sentence: Bryan enjoys playing basketball with his young daughter. After shooting some hoops, they sit down and roll the ball to each other. Sometimes Bryan takes her to his college gym and sometimes he goes to the courts at the park around the corner from his home. He notices that when they play roll-the-ball, the ball goes faster on the wooden gym floor than on the concrete basketball court at the park. Question: Which surface has more friction? (A) the wooden gym floor (B) the concrete
A:
the concrete