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: Rebecca heard two birds chirping in the forest. One was on a tree nearer to her and the other was on a tree far away. Question: Which bird sounded louder? (A) nearer bird (B) farther bird

Ex Output:
B

Ex Input:
Sentence: Tim and Marty are on a basketball court getting some exercise. Marty walks around the perimeter of the court while Tim does sprints back and forth from end of the court to the other. Question: At the end of their session, who will have to wipe less perspiration off their face? (A) Tim (B) Marty.

Ex Output:
A

Ex Input:
Sentence: Mike was making a basket using various types of wood. He bent some thick wood and it didn't break, but when he bent some thin wood it snapped in half. Question: Which wood wasn't as strong? (A) thick wood (B) thin wood

Ex Output:
A