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: Consider Input: Sentence: A knob rolled across a wooden table travels at a lower rate of speed then one rolled across a metal table. Question: Which surface provides more friction to the knob? (A) wooden table (B) metal table

Output: wooden table


Input: Consider Input: Sentence: Jupiter is much bigger than Mercury. Question: On which planet would you weigh more? (A) Jupiter (B) Mercury

Output: Jupiter


Input: Consider Input: Sentence: Belle has two horses; a grey one and a white one. The grey one is fat, the white one is thin. Question: When racing, which horse will get up to speed more quickly? (A) white horse (B) grey horse


Output: white horse