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 Q]: 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 A]: Kevlar

[EX Q]: Sentence: An elephant can't run as fast as a lion. Question: If both animals run on the open plain for the same amount of time, which will have went the shorter distance? (A) elephant (B) lion
[EX A]: elephant

[EX Q]: Sentence: A penguin can run faster then a panda. Question: If both animals run for 10 minutes, which will have gone the greater distance? (A) penguin (B) panda
[EX A]:
penguin