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.

[EX Q]: Sentence: Yurianna and Darnell go to the local track for some exercise. Darnell spends his time walking around the track while Yurianna spends her time running around the track. Question: As a result, which person will have more sweat on their skin? (A) Darnell (B) Yurianna
[EX A]: Yurianna

[EX Q]: Sentence: Clark just brought an icicle in from outside and is trying to melt it by rubbing it against two different places in his house. The first place is his granite counter-top, which has no bumps or cracks in it. The second place is against the rough carpet in his living room. Question: Which surface will melt the ice faster? (A) counter-top (B) carpet
[EX A]: carpet

[EX Q]: Sentence: Frank was dragging a heavy log across the yard. His twin brother Fred was dragging one that weighed only half as much. Question: When the work was through, who had lost more perspiration? (A) Frank (B) Fred
[EX A]:
Frank