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: Sliding a stake across the carpet results in less friction then sliding it across the drapes. Question: Which surface will force the stake to travel slower? (A) carpet (B) drapes
answer:
carpet


question:
Sentence: A speedboat and a barge start at the same origin and travel across a 2 mile channel on the same path to the same destination. Question: Which boat will arrive first? (A) Barge (B) Speedboat
answer:
Barge


question:
Sentence: A grocery bag experiences more resistance sliding across a store floor then across a house floor. Question: Which floor will force the grocery bag to move slower across it? (A) house floor (B) store floor
answer:

house floor