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.

Example Input: Sentence: A computer mouse moves with ease on a smooth plastic mouse pad, whereas, on the flat wooden desk at times it sticks and does not work. Question: Which surface has more friction? (A) wooden desk (B) plastic mouse pad
Example Output: B

Example Input: Sentence: Jaden is right-handed and as a result his right arm is noticeably more powerful than his left arm. Question: If Jaden throws a baseball with each arm, the throw from which arm will cover less distance? (A) his right arm (B) his left arm
Example Output: A

Example Input: Sentence: Mike knows that a train is slower then a plane. Question: If he rides both vehicles for 40 minutes, which will have taken him a lesser distance? (A) train (B) plane
Example Output:
B