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: Elias has just made two paper airplane. One is consistently faster in the air. Question: This is probably made of which? (A) Printer Paper (B) Poster Board
[EX A]: Poster Board

[EX 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
[EX A]: shopping mall

[EX Q]: Sentence: Harold learned in school that Uranus has a greater mass then Mercury. Question: This means that which planet emits stronger gravity? (A) Uranus (B) Mercury
[EX A]:
Mercury