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: Jack and Jill are sliding a cellphone back and forth along the tabletop very easily. Their mother puts a tablecloth over the tabletop and it's not as easy to slide the phone anymore. Question: Which surface has less friction? (A) TABLETOP (B) TABLECLOTH

Ex Output:
TABLETOP


Ex Input:
Sentence: A worm and a snake both take a journey around the giant tree. The worm is much slower than the snake so it paces itself. Question: Which animal takes more time to get around the tree? (A) Worm (B) Snake

Ex Output:
Worm


Ex Input:
Sentence: Matt knows that cakes are smoother than pies. Question: Which dish can he push his spatula deeper into? (A) cake (B) pie

Ex Output:

cake