Teacher:You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.
Teacher: Now, understand the problem? Solve this instance: 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?
Student:
The carpet