Detailed 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.
Q: Sentence: Jeff is walking through the park.  Betty is running on the same path. Question: After an hour, who has gone farther? (A) Jeff (B) Betty
A:
Betty