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: Mike knows that a train is slower then a plane. Question: If he rides both vehicles for 40 minutes, which will have taken him a lesser distance? (A) train (B) plane
Example Output: B

Example Input: Sentence: Skippy and Finn are dogs who are running down the street. They run at the same speed. Question: Skippy stops running before Finn does, so who ran the farthest? (A) Skippy (B) Finn
Example Output: A

Example Input: Sentence: Tina plays with two different toys. Gumby which is made of flexible clay and her Barbie doll which is made of wood. Question: If she bends each toy which one will bend and not break? (A) Gumby (B) Barbie
Example Output:
B