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.

Ex Input:
Sentence: A car company wants to start producing a new car. Their two options for the material of the body of the car are steel or carbon fiber. Question: If everything else about the car is the same, which car will accelerate slower? (A) the steel car (B) the carbon fiber car.

Ex Output:
B


Ex Input:
Sentence: Two regulation sized basketballs are in a field. One is white and one is orange. Sue sees them from the edge of the field, but it appears that the white one is smaller than the orange one. Question: Why? (A) the orange one is much closer to Sue (B) the white one is much closer to Sue

Ex Output:
B


Ex Input:
Sentence: A 45 year-old woman and a 21 year-old baseball player are throwing baseballs in the field. They have to go get each ball that they throw. Question: Who will have to walk the  shortest distance to get their balls? (A) The 21-year old (B) The 45 year-old

Ex Output:

A