Definition: 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.
Input: Sentence: Rebecca rolls the globe in her classroom over a book and then the carpeting. Rolling it over the book generates less heat than on the carpet. Question: Which surface has more resistance? (A) book (B) carpeting
Output:
carpeting