Definition: 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: Joe and Mike are walking down the same street at the same pace. Question: If Mike walks for one more hour than Joe, who travelled further? (A) Joe (B) Mike.
Output:
Mike