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: Billy and Cody are walking together.  Cody gets tired and sits on a park bench. Question: When they leave the park together, who has walked farther? (A) Cody (B) Billy
Example Output: B

Example Input: Sentence: A tennis player can skid across a wet tennis court in his tennis shoes at a higher rate of speed then across a dry court. Question: Which court will allow him to skid a greater distance? (A) wet court (B) dry court
Example Output: A

Example Input: Sentence: Kim and Dan begin driving in a straight line at the same speed. Question: If Kim drives for half as much time as Dan, who will go a shorter distance? (A) Kim (B) Dan
Example Output:
A