You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).

[EX Q]: Sentence: A microphone rolling across a chair makes it get hotter then one rolling across a stage. Question: Which surface is the most smooth? (A) stage (B) chair
[EX A]: chair

[EX Q]: Sentence: Gina and Debbie are sliding down a snowy hill. Gina has a heavy sled, and Debbie has a light cafeteria tray. Question: Which one is faster to speed up? (A) heavy sled (B) light cafeteria tray
[EX A]: heavy sled

[EX Q]: Sentence: A leaf skidding onto a dirty porch gets a lot hotter then one skidding onto a clean porch. Question: Which surface will allow the leaf to skid at a higher rate of speed? (A) dirty porch (B) clean porch
[EX A]:
dirty porch