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 sandwich sliding across a lunch plate experiences less friction then one sliding across a breakfast plate. Question: Which plate will force the sandwich to slide at a lower rate of speed? (A) lunch plate (B) breakfast plate
Example Output: A

Example Input: Sentence: Mike knows that his floor has less friction then his lap. An apple seed fell from the apple he was eating and rolled across his lap before falling to the floor and rolling around there. Question: Which surface did the apple seed roll slower on? (A) lap (B) floor
Example Output: B

Example Input: Sentence: Harry has always been stronger then Fred. Question: Which person can throw the greater distance? (A) Harry (B) Fred
Example Output:
B