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: The wheels of a shopping cart heat up quite a bit when rolling through the parking lot, but quite a bit less when rolling around on the store floor. Question: Which surface is providing less friction? (A) parking lot (B) store floor
[EX A]: B

[EX Q]: Sentence: A cantaloupe rolling around in a farmer's field experiences much less friction then one rolling around in the back of a transport truck. Question: Which surface can the cantaloupe roll a greater distance over? (A) farmer's field (B) transport truck
[EX A]: A

[EX Q]: Sentence: Jerry's car is outfitted with special snow tires that have chains on them. Brad's car has regular tires with no chains. Question: Which tire would glide more easily on snow and ice, thereby creating safety issues? (A) chained snow tire (B) regular tire
[EX A]:
B