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: The mass of Mars is less than the mass of Neptune. Question: If a brick is dropped from 1 mile up on each planet, where will it fall the fastest? (A) Mars (B) Neptune
Output:
Neptune