Q: 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.
Sentence: Kathy is looking at new tires for her car. The brand A tire has a very thick tread on it, while the brand B tire has a thinner tread on it. Question: Which tire would Kathy buy if she wants the stronger tire? (A) Brand A tire (B) Brand B tire
A:
B