Given the task definition, example input & output, solve the new input case.
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: Sentence: Jacob and Benny are squatting at the gym. Jacob has thin frail legs and Benny has big strong legs. Question: Who squats less weight? (A) Jacob (B) Benny
Output: B
Typically, people with thin frail legs squat less weight than people with big strong legs, so the incorrect answer is Benny.

New input case for you: Sentence: Louis notices that when he pushes his book on the carpet, it doesn't go as far as when he pushes the book on the kitchen floor. Question: Which surface has greater resistance? (A) kitchen floor (B) carpet
Output:
A