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: John rides the bullet train from Tokyo to Kyoto and Jim rides the same path on his bicycle. Question: Which person will spend less time making the trip? (A) John (B) Jim

Ex Output:
A

Ex Input:
Sentence: John and Flora each head down the beach. John is walking while Flora is running. Question: Who makes it less far down the beach? (A) Flora (B) John

Ex Output:
B

Ex Input:
Sentence: A 45 year-old woman and a 21 year-old baseball player are throwing baseballs in the field. They have to go get each ball that they throw. Question: Who will have to walk the shortest distance to get their balls? (A) The 21-year old (B) The 45 year-old

Ex Output:
B