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: A tortoise isn't as fast as a turtle. Question: Which animal will take a longer time to reach the sea if both are walking across the beach? (A) tortoise (B) turtle
[EX A]: tortoise

[EX Q]: Sentence: Nell has very thick hair; Lynn's hair is much thinner. Question: Whose hair is stronger? (A) Nell (B) Lynn
[EX A]: Nell

[EX Q]: Sentence: A pair of glasses experiences low resistance when slid across a counter, but high resistance when slid across an office desk. Question: Which surface will cause the glasses to get hotter as they travel across it? (A) counter (B) desk
[EX A]:
desk