You are given a sentence, a question and two answer options. Your task is to write down the index ('A' or 'B') of the **incorrect** option for the given question.

Ex Input:
Sentence: The planet Earth has more mass then the plant Venus. Question: Which plant has stronger gravity emitting from it? (A) Earth (B) Venus

Ex Output:
B


Ex Input:
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

Ex Output:
A


Ex Input:
Sentence: A comet approaches Earth, and will fly equidistant between the ISS and the moon. Question: Which of the two is large enough to provide the best hope of attracting the comet so that it avoid the Earth? (A) The ISS (B) The moon

Ex Output:

A