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: Lisa and Melissa were each doing different exercise routines. After 1/2 hour, Lisa was dripping sweat and Melissa was still dry. Question: Who did the harder workout? (A) Melissa (B) Lisa

Ex Output:
A


Ex Input:
Sentence: Suppose a sports motorcycle raced a box truck. Question: Which vehicle would hit 60 mph first? (A) Motorcycle (B) Box Truck

Ex Output:
B


Ex Input:
Sentence: A bathroom counter isn't as rough as a kitchen counter. Question: Which surface will cause a tape ball to get hotter when rolled across it? (A) bathroom counter (B) kitchen counter

Ex Output:

A