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: Craig just got done walking home from school which was 3 miles. Jamie took the bus home from school. Question: Who would sweat more? (A) Jamie (B) Craig
Example Output: A

Example Input: Sentence: Mary was bending objects to see which would break easier. She bent a plastic sheet and it didn't break, but she bent a glass sheet and it broke right away. Question: Which sheet was more flexible? (A) plastic sheet (B) glass sheet
Example Output: B

Example Input: Sentence: A stick of gum that is slid across a classroom desk travels pretty slow compared to a stick of gum that is pushed across a home office desk. Question: Which surface is the most rough? (A) classroom desk (B) home office desk
Example Output:
B