Detailed 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.
Q: Sentence: A knob rolled across a wooden table travels at a lower rate of speed then one rolled across a metal table. Question: Which surface provides more friction to the knob? (A) wooden table (B) metal table
A:
wooden table