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: A prep counter is smoother then a serving table when a burrito is slid across it. Question: Which surface will force the burrito to travel at a lower rate of speed? (A) prep counter (B) serving table

Ex Output:
A


Ex Input:
Sentence: A bag of trash blows a little ways across the parking lot. Then it reaches a sidewalk. The bag blows all the way away from the building. Question: Which is less bumpy? (A) parking lot (B) sidewalk

Ex Output:
A


Ex Input:
Sentence: Stabbing a fork into a steak causes it to move slower then stabbing it into a muffin. Question: Which surface provides less resistance? (A) muffin (B) steak

Ex Output:

B