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: Both Mary and Jimbo were out working in a field digging a hole. Mary was working very hard, while Jimbo was just standing around leaning on his shovel. Question: Which person was producing more sweat? (A) Mary (B) Jimbo
Example Output: B

Example Input: Sentence: In an amateur drag race, Kevin reached the finish line before his competitor, Harold, was even halfway there. Question: Between the two of them, which racer's dragster had been souped up? (A) Harold had the souped up dragster (B) Kevin had the souped up dragster
Example Output: A

Example Input: Sentence: Lane is testing how strong gravity pulls on different objects. She drops a brick and a penny from a roof at the same time. Question: Which has larger mass and hits the ground first? (A) brick (B) penny
Example Output:
B