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: A girl slides a game piece across the gameboard, then across across the carpet. He notices the game piece shows more resistance against the carpet. Question: Which surface allows the game piece to slide faster with the same force? (A) the gameboard (B) the carpet?

Ex Output:
B

Ex Input:
Sentence: Mike is a concert listening to a performance. The orchestra is arrayed in front of him, with the bongos nearby and the snare in the back. Question: Which drum will sound louder to him? (A) snare (B) bongo

Ex Output:
A

Ex Input:
Sentence: Two identical cars attempt to accelerate as fast as possible. Question: If one car is empty and one car is full of bricks, which one will accelerate more slowly? (A) Empty car (B) Full car

Ex Output:
A