Instructions: 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.
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
Output:
A