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.

Example input: Sentence: Jacob and Benny are squatting at the gym. Jacob has thin frail legs and Benny has big strong legs. Question: Who squats less weight? (A) Jacob (B) Benny
Example output: Jacob
Example explanation: Typically, people with thin frail legs squat less weight than people with big strong legs, so the answer is Jacob.
Q: Sentence: A hair brush experiences low resistance when slid across a porcelain tile compared to when it is slid across a throw rug. Question: Which surface will allow the hair brush to slide a greater distance? (A) throw rug (B) porcelain tile
A:
porcelain tile