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'.

Ex 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

Ex Output:
B


Ex Input:
Sentence: The Williams twins, Joe and Jim are playing hockey. Joe is getting really sweaty but Jim is barely perspiring. Question: Which of them is getting more of a work out? (A) Jim (B) Joe

Ex Output:
B


Ex Input:
Sentence: Suppose a tire and a glass vase is thrown off the top of a building. Question: Which is more likely to break? (A) Tire (B) Glass Vase

Ex Output:

B