instruction:
You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).
question:
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
answer:
thick paper

question:
Sentence: The Sun is close to the Earth, but the stars are farther away. Question: Which appears smaller? (A) Sun (B) stars
answer:
Sun

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.
answer:
the carbon fiber car