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: Jimbo's note paper is much thinner then his cardboard. Question: Which item is not as strong as the other? (A) cardboard (B) note paper
Example Output: A

Example Input: Sentence: Mary's kitchen floor is slicker then her hallway floor. She was feeding her dogs one day and some kibble slid across both surfaces. Question: Which surface caused the kibble to heat up less? (A) kitchen floor (B) hallway floor
Example Output: B

Example Input: Sentence: A cat and a dog both run at 5 mph. Question: If the cat runs for a longer time then the dog, which will have gone the greater distance? (A) cat (B) dog
Example Output:
B