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.

Ex Input:
Sentence: Biff was trying to prove to the bar that he was very strong. Question: Which would be a better thing to rip in half to show off? (A) Phone Book (B) Letter

Ex Output:
B


Ex Input:
Sentence: Arnie's muscles on his upper arms are very thick, while Davy's upper arms are thin. Question: Who is likely to be stronger? (A) Arnie is stronger (B) Davy is stronger

Ex Output:
B


Ex Input:
Sentence: Rose's mom took Rose roller skating one night. Rose's mom didn't feel like skating so she sat and watched as Rose skated around the rink many times. Question: When Rose and her mom get in the car to ride home, whose seat will least need a towel to soak up sweat? (A) Rose's seat (B) Rose's mom's seat

Ex Output:

A