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: It's easy to stab a pin into a pin cushion, but it's hard to stab one into a pillow. Question: Which surface will make the pin get hotter when stabbing into it? (A) pin cushion (B) pillow

Ex Output:
pillow


Ex Input:
Sentence: A valley is significantly rougher than a mountainside. Question: This means that lava rolling down which surface will reach a greater top speed? (A) mountainside (B) valley

Ex Output:
valley


Ex Input:
Sentence: A turtle isn't as fast of a runner as a rooster. Question: If they both run for 5 minutes, which will have gone the greater distance? (A) turtle (B) rooster

Ex Output:

rooster