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 musk melon gets a lot hotter rolling around in a garbage can then rolling around on a table. Question: Which surface is more smooth? (A) table (B) garbage can

Ex Output:
table


Ex Input:
Sentence: Mike knows that his tank weighs more than his bicycle. Question: Which vehicle will speed up slower? (A) bicycle (B) tank

Ex Output:

tank