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: A speed boat and a cruise ship race to the other port out at sea. Question: Which boat or ship gets out in front first? (A) Speed Boat (B) Cruise Ship
Example Output: B

Example Input: Sentence: Due to its much weaker gravity, astronaut Kevin is thrilled to discover that he can jump much higher on the moon than he ever could when on Earth. Question: Judging from Kevin's exploits, which of the following is true? (A) Earth has less mass (B) The moon has less mass
Example Output: A

Example Input: Sentence: Matt knows that when he flies his kite in a storm sky it moves slower then when he flies it in a rainy sky. Question: Which sky offers more friction? (A) stormy sky (B) rainy sky
Example Output:
B