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: Judith and Cassie decide to go on a walk together and talk about what's going on in their lives. They start at Judith's house and plan to go around the block and back. Cassie decides to stop at her friend's house for the rest of the day while Judith finishes the walk. Question: Who walked more? (A) Cassie/ (B) Judith
Example Output: B

Example Input: Sentence: Biff was trying to prove to the bar that he was very strong. Question: Which would be a better thing to rip in half to show off? (A) Phone Book (B) Letter
Example Output: A

Example Input: Sentence: Matt knows that cakes are smoother than pies. Question: Which dish can he push his spatula deeper into? (A) cake (B) pie
Example Output:
A