Instructions: 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: Jenny dropped a spool of thread and watched it roll rather quickly across the slick hardwood floor. She picked up the spool, then dropped it on the the textured rubber mat in the kitchen, which was rather rougher than the wood floor. The spool moved noticeably slower. Question: Which of the surfaces had the greatest amount of friction? (A) hardwood floor (B) textured rubber mat
Output:
textured rubber mat