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: Annabel and Lydia are riding their tricycles. Lydia is not as fast as Annabel is. Question: Which one goes a shorter distance? (A) Annabel (B) Lydia

Ex Output:
A


Ex Input:
Sentence: A banjo slides at a low rate of speed across a porch swing, but a high rate of speed across the porch of Mike's old house. Question: Which surface is going to give the banjo a rougher ride? (A) porch swing (B) porch

Ex Output:
B


Ex Input:
Sentence: Ron is running around the track with Roy.  They both run for an hour, but Ron is quicker. Question: Who ran a greater distance? (A) Ron (B) Roy

Ex Output:

B