Given the task definition and input, reply with output. 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.

Sentence: Jimbo knows that the surface of his coffee table isn't as rough as the surface of his floor. Question: When he slides his doily across both surfaces, which will force the doily to travel at a lower rate of speed? (A) coffee table (B) floor
floor