Instructions: You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct option for the given question. Write down the answer index: 'A' or 'B'.
Input: Sentence: A capybara isn't as fast of a runner as an anteater. Question: If both animals make the same journey, which will get there sooner? (A) capybara (B) anteater
Output:
B