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: Two people were driving to a destination. One person was driving a tank and the other person was driving a car. Question: Which thing was fastest to speed up? (A) The tank (B) a car
[A]: A


[Q]: Sentence: The tire of a unicycle heats up more when ridden through the street compared to when it is ridden through the road. Question: Which surface will let the unicycle go a greater distance? (A) road (B) street
[A]: B


[Q]: Sentence: Belle has two horses; a grey one and a white one. The grey one is fat, the white one is thin. Question: When racing, which horse will get up to speed more quickly? (A) white horse (B) grey horse
[A]:
B