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: John and Sue leave work at the same time. They both get on the same train to go home. Question: If John gets home earlier than Sue, who traveled less distance? (A) John (B) Sue.
Example Output: A

Example Input: Sentence: While playing with his dog, Talia notices that her dog's bone can travel with more speed when she passes it along the hardwood floor than when she passes it along the carpet. Question: If she slides the bone across across both surfaces with the same level of strength, which surface will allow it to travel further? (A) hardwood floor (B) carpet
Example Output: A

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