Task: Question Answering
Input (English): Sentence: Joe is unpacking from a big move and is pushing boxes full of stuff around his house. When he pushes boxes on his hardwood floors, he can just give them a shove they travel far on their own. When he pushes them on his carpet, he has to keep pushing, or else they will only travel a short distance. Question: On which surface do the boxes generate more heat? (A) The carpet or (B) the wood?
Output (English): A