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).

[Q]: Sentence: Burt is a strong man. His nephew, Dave, is a skinny boy. Question: If they both throw a football, who will throw it further? (A) Burt (B) Dave.
[A]: Dave


[Q]: Sentence: Sliding a shirt across the floor makes it heat up less then sliding it across the bed. Question: This means that the shirt can slide a greater distance across which surface? (A) bed (B) floor
[A]: bed


[Q]: Sentence: A jackfruit experiences low friction on a red surface and high friction on a purple surface. Question: Which surface is smoother? (A) red surface (B) purple surface
[A]:
purple surface