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 segway can travel a much greater distance inside a shopping mall before needing a recharge then when it is cruising around outside on the street. Question: Which surface is rougher? (A) shopping mall (B) street
[A]: A


[Q]: Sentence: A microscope experiences less resistance when sliding across a lab table then when sliding across a lab floor. Question: Which surface will force the microscope to register less of an increase in temperature? (A) lab table (B) lab floor
[A]: B


[Q]: Sentence: Damian just got a new dune buggy and wants to test it out. He can either test it on the main road, which has little friction, or this backyard, which has a lot of friction. Question: If he wants to go as fast as possible, where should he test it? (A) main road (B) backyard
[A]:
B