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: When Jason looked out his window, it looked like his neighbor's lights were operating at half the power that his own lights were. Question: What could explain this? (A) the neighbors are farther away (B) the neighbors are closer
Example Output: B

Example Input: Sentence: The enormous tractor trailer belched smoke as it waited at the stoplight next to a sleek, low, and light Italian model sports car. Question: When the stoplight finally turned green, which vehicle would likely take off more speedily? (A) The tractor trailer would (B) The sports car would
Example Output: A

Example Input: Sentence: John likes to snow tube in the winter and tube down sand dunes in the summer. He notices he can attain greater speeds overall when he snow tubes. Question: Which surface has higher friction? (A) Snow (B) Sand
Example Output:
A