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'.

Example Input: Sentence: Belle has two horses; a grey one and a white one. The grey one is fat, the white one is thin. Question: When racing, which horse will get up to speed more quickly? (A) white horse (B) grey horse
Example Output: A

Example Input: Sentence: Bill Gates and Lebron James are playing a game of basketball.  Bill Gates is an old guy who doesn't work out, and Lebron James is a young sports adonis who trains daily.  Both stand at half court, but only one hits the backboard. Question: Who? (A) Bill Gates (B) Lebron James
Example Output: B

Example Input: Sentence: Tom walks around wearing one glass shoe and one leather shoe. Question: Which shoe is more likely to break? (A) Leather shoe (B) Glass shoe
Example Output:
B