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).

Q: Sentence: The old bookcase held all of Ted's heavy textbooks with no problem, but the stylish new shelves his wife bought when she remodeled the house snapped under the weight in a day. Question: Which bookshelf was made of thinner wood? (A) The new bookshelf had thinner wood (B) The old bookshelf had thinner wood

A: The old bookshelf had thinner wood
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Q: 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.

A: the carbon fiber car
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Q: Sentence: When playing pinball on two different machines, joe noticed that the pinball moved quickly over the glass surface whereas it barely moved at all over the mud surface. Question: Which surface showed less resistance? (A) Glass (B) Mud

A:
Mud
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