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: Mary needs to put a piece of plywood between her bed frame and her mattress.  Her 2 children like to jump on the bed in the morning. Question: Which piece of plywood would be more likely to break when jumped on? (A) the 1/2 plywood slab or (B) the 1 plywood slab?

Ex Output:
B


Ex Input:
Sentence: Yurianna and Darnell go to the local track for some exercise. Darnell spends his time walking around the track while Yurianna spends her time running around the track. Question: As a result, which person will have more sweat on their skin? (A) Darnell (B) Yurianna

Ex Output:
A


Ex Input:
Sentence: Rebecca rolls the globe in her classroom over a book and then the carpeting. Rolling it over the book generates less heat than on the carpet. Question: Which surface has more resistance? (A) book (B) carpeting

Ex Output:

A