Detailed Instructions: 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.
See one example below:
Problem: 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
Solution: Jacob
Explanation: Typically, people with thin frail legs squat less weight than people with big strong legs, so the answer is Jacob.

Problem: Sentence: Tim has to push an ice sculpture across the ballroom in order to get his restaurant ready for a wedding. He notices that it is easier to push the sculpture when he moves it across the polished ballroom floor than when he moves it across the rough cobblestone floor. Question: If Tim is trying to keep the ice sculpture from melting, which surface should he push it across in order to produce less heat? (A) ballroom floor (B) cobblestone floor
Solution:
ballroom floor