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'.

Ex Input:
Sentence: Bob and Sue were walking down the sidewalk and heard an air conditioner in the distance. As they walked closer, they noticed they couldn't hear each other over it. Question: When was it loudest? (A) when the air conditioner was far away (B) when the air conditioner was nearer

Ex Output:
B

Ex 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

Ex Output:
B

Ex Input:
Sentence: In an amateur drag race, Kevin reached the finish line before his competitor, Harold, was even halfway there. Question: Between the two of them, which racer's dragster had been souped up? (A) Harold had the souped up dragster (B) Kevin had the souped up dragster

Ex Output:
B