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: Jim owns both a truck and a car. The truck weighs more then the car. Question: Which vehicle will accelerate at a greater rate of speed when he presses down on the gas pedal? (A) truck (B) car
Example Output: A

Example Input: Sentence: Sue and Becky live together but want to go to the store separately. Question: If they leave the house at the same time, who will take longer to get to the store if Sue is driving her car and Becky is walking? (A) Sue (B) Becky.
Example Output: A

Example Input: Sentence: A martial arts expert wants to demonstrate the force of his hands by striking a couple of boards. When stacked next to each other the white board is twice as tall as the red board. Question: Which board will be more difficult for the expert to break? (A) white board (B) red board
Example Output:
B