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'.

[EX Q]: Sentence: Rebecca rolls the globe in her classroom over a book and then the carpeting. Rolling it over the book generates less heat than on the carpet. Question: Which surface has more resistance? (A) book (B) carpeting
[EX A]: B

[EX Q]: Sentence: Mike's tortilla chips get hotter rattling around in his bag compared to when they rattle around inside of a box. Question: Which item has the smoothest sides? (A) bag (B) box
[EX A]: B

[EX Q]: Sentence: A plunger gets a lot hotter plunging through a clogged toilet then plunging through a clean toilet. Question: Which surface will let the plunger go a greater distance per push? (A) clogged toilet (B) clean toilet
[EX A]:
B