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.

[Q]: Sentence: A bag of trash blows a little ways across the parking lot. Then it reaches a sidewalk. The bag blows all the way away from the building. Question: Which is less bumpy? (A) parking lot (B) sidewalk
[A]: A


[Q]: Sentence: Polly and Sally were at the indoor wall climbing facility. After 2 hours Polly was covered in sweat and Sally was practically dry. Question: Which of the girls had gotten more exercise? (A) Polly (B) Sally
[A]: B


[Q]: Sentence: Steve is waiting at the gym for his brother's basketball practice to end. He starts hitting around a hockey puck with his stick. The gym has a carpeted floor and more friction than the ice rink he goes to. Question: Which surface is rougher? (A) carpet (B) ice rink
[A]:
B