You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct option for the given question. Write down the answer index: 'A' or 'B'.

[Q]: Sentence: Toby went ice skating during the winter and noticed that he hardly had to put any effort into moving forward when he switched from the sidewalk to the ice on the pond. Question: Which surface was smoother? (A) Sidewalk (B) Ice pond
[A]: B


[Q]: Sentence: A girl slides a game piece across the gameboard, then across across the carpet. He notices the game piece shows more resistance against the carpet. Question: Which surface allows the game piece to slide faster with the same force? (A) the gameboard (B) the carpet?
[A]: A


[Q]: Sentence: Toby went ice skating during the winter and noticed that he hardly had to put any effort into moving forward when he switched from the sidewalk to the ice on the pond. Question: Which surface was smoother? (A) Sidewalk (B) Ice pond
[A]:
B