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.

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.
B

Sentence: Jason is with his grandmother at the park.  She has a cane to walk but Jason is lively.  They decide to walk around the track. Question: If they go their own pace, who will walk farther in five minutes? (A) Jason (B) his grandmother
B

Sentence: A sports car weighs less then a truck. Question: Which vehicle can accelerate at a greater rate of speed? (A) sports car (B) truck

B