instruction:
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'.
question:
Sentence: Bob and Sue were walking down the sidewalk and heard an air conditioner in the distance. As they walked closer, they noticed they couldn't hear each other over it. Question: When was it loudest? (A) when the air conditioner was far away (B) when the air conditioner was nearer
answer:
B

question:
Sentence: Burt is a strong man. His nephew, Dave, is a skinny boy. Question: If they both throw a football, who will throw it further? (A) Burt (B) Dave.
answer:
A

question:
Sentence: Jane tested a tennis ball on two different surfaces, observing the different results. First, she skidded a tennis ball across a slick hard court, and then across a shaggy grass court. Question: Skidding produces more heat on which surface? (A) hard court (B) grass court
answer:
B