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: 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: Rachel heard a fire engine in the distance. It turned down her block and drove up to a neighbor's house. Question: Where was it louder? (A) in the distance (B) at a neighbor's house
Example Output: B

Example Input: Sentence: Alice is playing ball with her young sister. One of them is having trouble throwing the ball far enough to be caught. Question: Which person is likely to have a harder time? (A) Alice (B) Little Sister
Example Output:
B