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.

Example Input: Sentence: Dave notice that when taking batting practice the baseball moves slower on the natural grass of the team's practice field than on the artificial grass of the stadium. Question: Which surface has more resistance? (A) the artificial grass or (B) the natural grass
Example Output: A

Example Input: Sentence: Linda and Melinda decided to kayak across a lake. Linda made it across the lake before Melinda did. Question: Which one of them didn't go as fast as the other? (A) Linda (B) Melinda
Example Output: A

Example Input: Sentence: A wooden arrow has a smoother time penetrating a straw target compared to a metal target. Question: Which target is going to make the wooden arrow get hotter as it penetrates it? (A) straw target (B) metal target
Example Output:
A