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: A prep counter is smoother then a serving table when a burrito is slid across it. Question: Which surface will force the burrito to travel at a lower rate of speed? (A) prep counter (B) serving table
serving table