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 Input:
Sentence: A globe rolling around on a library floor experiences less resistance then one rolling around on a study floor. Question: Which floor will cause the globe to heat up less when rolled across it? (A) study floor (B) library floor

Ex Output:
library floor

Ex Input:
Sentence: A sandwich sliding across a lunch plate experiences less friction then one sliding across a breakfast plate. Question: Which plate will force the sandwich to slide at a lower rate of speed? (A) lunch plate (B) breakfast plate

Ex Output:
breakfast plate

Ex Input:
Sentence: Jimbo's race car is much faster then his bulldozer. Question: If both vehicles are driven for 30 seconds, which one will have gone the greater distance? (A) race car (B) bulldozer

Ex Output:
race car