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: Jim wears a thick Kevlar vest. Jack is just wearing a cotton shirt. Question: Which top would stop a bullet? (A) Kevlar (B) Cotton

Ex Output:
Kevlar

Ex Input:
Sentence: The strongman, who is very strong, and bearded lady, who is not so strong, at the circus are playing a game. They each throw a Weight as far as they can. Question: Who can throw it farthest? (A) strongman (B) bearded lady

Ex Output:
strongman

Ex Input:
Sentence: A karate champion is breaking boards. He has two boards left to break. A thin piece of plywood and a thick piece. Question: Which board will be easier to break? (A) Thick (B) Thin

Ex Output:
Thin