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: Dan is a professional athlete. Joann is a middle-aged accountant. Question: If they were both to throw a football, who is more likely to throw it farther? (A) Dan (B) Joann

Ex Output:
A

Ex Input:
Sentence: Two cars are going to race each other. One driver puts just enough fuel into his car's tank to get through the race in order to keep the weight of his car low. The other driver fills his car's tank completely, which makes the car more heavy. Question: Which car will get up to full speed more quickly at the start of the race? (A) car with full fuel tank (B) car with nearly empty fuel tank

Ex Output:
B

Ex Input:
Sentence: A rabbit can't run as fast as a chicken. Question: If both animals run at top speed for the same amount of time, which will go the greater distance? (A) rabbit (B) chicken

Ex Output:
B