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: Tom rides his bicycle as fast as he can around a track for an hour and he rides his motorcycle as fast as he can around the same track for an hour. Question: On which vehicle will Tom complete fewer laps? (A) Bicycle (B) Motorcycle

Ex Output:
B


Ex Input:
Sentence: Two cannonballs were being shot from a cannon to celebrate a holiday. The first cannonball weighed twice as much as the second. Question: Which one left the cannon at a higher rate of speed? (A) the first cannonball (B) the second cannonball

Ex Output:
A


Ex Input:
Sentence: A flatbed truck has a really rough time driving over a landfill and a rather easy time driving over a parking lot. Question: Which surface will let the flatbed truck travel a greater distance? (A) landfill (B) parking lot

Ex Output:

A