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: Both Linda and Keith leave for work at the same time. Linda drives in her car and Keith is walking. Question: If they've both been traveling for two hours, who is more likely to have covered less distance? (A) Linda (B) Keith
Output:
Keith