You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.
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Question: Sentence: A group of kids are at a music festival. They are in the campground. They can hear one band to the left playing rock and another band ahead of them playing hip hop. They can hear the rock band a lot more clearly. Question: Which band is closer? (A) the rock band (B) the hip hop band

Answer: the rock band


Question: Sentence: James knows that matted hair isn't as smooth as sleek hair. Question: Which hair has more friction? (A) matted hair (B) sleek hair

Answer: matted hair


Question: Sentence: To save money, the contractor stopped buying the costlier wall supports he was required to use and started using some cheaper ones instead. As a result, several roofs collapsed. Question: Which wall supports were thinner? (A) The expensive wall supports were thinner (B) The cheaper wall supports were thinner

Answer:
The cheaper wall supports were thinner