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 skittle rolls at a lesser rate of speed in a bag compared to a box. Question: Which surface will make the skittle heat up less when rolling around? (A) bag (B) box
[A]: B


[Q]: Sentence: Maria is a bartender. When she slides a glass across the wooden bar, she notices it is smooth. At home, her counter is stone and bumpy. Question: If she would slide the glass across both counters, which would have less friction? (A) wood counter (B) stone counter
[A]: A


[Q]: Sentence: A dirty tooth isn't as smooth as a clean tooth. Question: Which surface will a toothbrush move over at a greater rate of speed? (A) dirty tooth (B) clean tooth
[A]:
B