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: It was dinnertime and Sue and her brother Tim headed toward home at exactly the same time, walking at the same speed. Sue got home quicker. Question: Which of them was closer to home when the headed out? (A) Sue (B) Tim
Example Output: B

Example Input: Sentence: John swings a rubber hammer at a brick wall and a glass hammer at a brick wall. Question: Which hammer is more likely to break? (A) Rubber hammer (B) Glass hammer
Example Output: A

Example Input: Sentence: A salmon swimming through a river experiences low friction, while a salmon swimming through a creek experiences high friction. Question: Which river causes the temperature of the salmon to increase more? (A) river (B) creek
Example Output:
A