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: Bernie is pitching marbles. He notices that when he pitches the marbles on the tile in his kitchen, the marble goes faster and farther away than when he does the same action on grass. Question: Which surface is applying less friction to the marble? (A) grass (B) tile?
tile