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: A penguin is forced to swim at a low rate of speed through icy water, but can swim rather quickly through clear water. Question: Which water is the most rough? (A) icy water (B) clear water
Example Output: B

Example Input: Sentence: An average 10 year old boy and an average 15 year old boy throw a football. Question: Which boy will throw the football the shortest distance? (A) 10 year old boy (B) 15 year old boy
Example Output: B

Example Input: Sentence: Two drag cars are at the starting line to begin a race. One of the cars zips off the line and reaches full speed quickly, while the other car accidentally deploys its parachute off the line, which slows it down considerably. Question: If the cars go for 10 seconds, which one will end up going less far? (A) drag car without parachute (B) drag car with parachute
Example Output:
A