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.

Ex Input:
Sentence: A potato rolling on a cutting board experiences low resistance, while one rolling around on a wood floor experiences high resistance. Question: Which surface allows the potato to roll a greater distance? (A) cutting board (B) wood floor

Ex Output:
B

Ex Input:
Sentence: Lebron James a strong player for the Cavs battles Kevin Durant a thin player for a rebound. Question: Who is likely to get the rebound? (A) Durant (B) Lebron

Ex Output:
A

Ex Input:
Sentence: Elpresador is knocking tree's over for a YouTube video. He approaches a thin tree and a very thick tree. Question: Which tree is less likely to go down? (A) Thin Tree (B) Thick Tree

Ex Output:
A