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: 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: War Emblem stopped from a brisk trot to greet Northern Dancer, who had been standing still and contently grazing in the pasture. Question: Which horse would be sweating more? (A) War Emblem (B) Northern Dancer

Ex Output:
B


Ex Input:
Sentence: A picture frame sliding across a dresser makes it heat up less then one sliding across a floor. Question: Which surface will the picture frame move the slowest on? (A) dresser (B) floor

Ex Output:

A