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: Bernie is pitching marbles. He notices that when he pitches the marbles on the tile in his kitchen, the marble goes faster and farther away than when he does the same action on grass. Question: Which surface is applying less friction to the marble? (A) grass (B) tile?

Ex Output:
A

Ex Input:
Sentence: A reed is more flexible then a stick. Question: If bent, which object will be less likely to break? (A) reed (B) stick

Ex Output:
B

Ex Input:
Sentence: Tina and Maria both take cruises. Both ships travel at 35 mph, but Tina's cruise is an hour longer. Question: Who went further? (A) Tina (B) Maria

Ex Output:
B