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: Kevin holds the NCAA record for the disc throw. Larry holds the middle school record for the disc throw as well. Question: Who's record is longer? (A) Kevin (B) Larry

Ex Output:
A

Ex Input:
Sentence: A car and a bus are both driving 60 mph, but the car drives longer then the bus. Question: Which vehicle travelled the greater distance? (A) car (B) bus

Ex Output:
A

Ex Input:
Sentence: Karen was playing football at the park. She threw the ball and it hit the ground, rolled on the field, and then rolled into a gravel playground. The ball generated more heat when it rolled over the gravel. Question: Which surface is more level? (A) field (B) gravel

Ex Output:
A