Instructions: 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.
Input: Sentence: A young boy stretches two rubber bands of the same thickness to see which will be the first to snap. The red rubber band feels much stiffer than the yellow rubber band. Question: As a result, which rubber band will snap first? (A) the yellow rubber rand (B) the red rubber band
Output:
A