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.

[EX Q]: Sentence: Tom rides his bicycle as fast as he can around a track for an hour and he rides his motorcycle as fast as he can around the same track for an hour. Question: On which vehicle will Tom complete fewer laps? (A) Bicycle (B) Motorcycle
[EX A]: Bicycle

[EX Q]: Sentence: Gabriel was playing hockey. He hit the puck and it slid quickly on the ice, then moved off the ice onto a tile floor and moved slower. Question: Which surface is flatter? (A) ice (B) tile floor
[EX A]: ice

[EX Q]: Sentence: Samuel dropped a small light pebble and a large heavy rock off a cliff at the same time. Question: Which one hit the ground at the bottom of the cliff first? (A) the pebble (B) the large rock
[EX A]:
the large rock