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: A stick of gum that is slid across a classroom desk travels pretty slow compared to a stick of gum that is pushed across a home office desk. Question: Which surface is the most rough? (A) classroom desk (B) home office desk
[A]: A

[Q]: Sentence: Ron is at the gym lifting weights. Tony joins him an hour into his workout. They leave at the same time. Question: Who sweat more? (A) Ron (B) Tony
[A]: A

[Q]: Sentence: Sarah was playing jacks on the rug. The ball bounced away and rolled on the rug, then onto the linoleum kitchen floor nearby. The rug had more resistance than the kitchen floor. Question: Which surface was smoother? (A) rug (B) linoleum kitchen floor
[A]:
B