Instructions: 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.
Input: 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
Output:
ice