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: Diana and Dave are aboard the same train after getting on at the same station. Question: If Diana gets out of the train one stop before Dave, who traveled a shorter distance? (A) Diana (B) Dave.
A:
Diana