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 stands on 10 inch thick ice and one inch thick ice. Question: On which type of ice is John least likely to break? (A) 10 inch thick ice (B) 1 inch thick ice
Example Output: A

Example Input: Sentence: Tom has recently gotten a prosthetic arm and he notices that it is somewhat stronger than his human arm. Tom tosses a tennis ball to his friend, first with the human arm then with the prosthetic arm. Question: Which arm will toss the ball a shorter distance? (A) Tom's prosthetic arm (B) Tom's human arm
Example Output: B

Example Input: Sentence: Some friends are at a local river that has rope swings that can be used to leap into the water. They notice that the old rope swing is frayed in parts and very thin, while a new rope swing nearby is not frayed and much thicker. Question: Which rope swing would be more likely to snap under the force of swinging? (A) old rope swing (B) new rope swing
Example Output:
A