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: Jim owns both a truck and a car. The truck weighs more then the car. Question: Which vehicle will accelerate at a greater rate of speed when he presses down on the gas pedal? (A) truck (B) car
Example Output: A

Example Input: Sentence: John and Rita are going for a run. Rita gets tired and takes a break on the park bench. Question: After twenty minutes in the park, who has run farther? (A) John (B) Rita
Example Output: B

Example Input: Sentence: An astronomer was studying the properties of some stars. She saw that one was a neutron star that was so densely packed with material that it had a far larger mass than an ordinary star that she was also observing. Question: Which of these stars would she expect to have a greater gravitational force? (A) neutron star (B) ordinary star
Example Output:
B