instruction:
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.
question:
Sentence: Jim wants to cross a river and has a one inch thick wood plank and a four inch thick wood plank. Question: Which plank is more likely to break? (A) One inch thick wood plank (B) Four inch thick wood plank
answer:
One inch thick wood plank


question:
Sentence: Bob ran his hand over his girlfriends legs. One leg was shaved and the other was stubbly. He noted that the shaved leg was much smoother. Question: Which leg caused more friction? (A) The shaved leg (B) The stubbly leg
answer:
The stubbly leg


question:
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
answer:

the concrete