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.

Example Input: Sentence: The Sun is close to the Earth, but the stars are farther away. Question: Which appears smaller? (A) Sun (B) stars
Example Output: A

Example Input: Sentence: A surfboard isn't as flexible as cardboard. Question: Which item will break easier when bent? (A) surfboard (B) cardboard
Example Output: B

Example Input: Sentence: Joe and Sally start riding their bikes at the same speed along the same path. Joe rides his bike for twice as long as Sally. Question: Who will end up covering a greater distance? (A) Joe (B) Sally
Example Output:
B