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: It only took Lisa two hours to get to Las Vegas, despite the long distance. Question: Lisa must have traveled how? (A) By Car (B) By Airplane
Output:
By Airplane