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: Pushing a safety pin into thin paper is easier then pushing it into thick paper. Question: Which paper will allow the safety pin to plunge into it at a faster rate of speed? (A) thick paper (B) thin paper
Example Output: A

Example Input: Sentence: Two horses have been outside in a corral for one hour. The palomino is covered in sweat and the pinto is dry. Question: What happened? (A) the palomino got more exercise (B) the palomino got less exercise
Example Output: B

Example Input: Sentence: Two boats set sail from the same port and experience similar speeds on their journey. The first stops its trip in London, while the second continued onward to Norway. Question: Which of the two has covered more distance by the end of their respective journies? (A) The boat to London (B) the boat to Norway
Example Output:
A