Detailed Instructions: 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.
Problem:Sentence: Polyethylene is more flexible then pvc. Question: Which plastic is the more breakable of the two? (A) polyethylene (B) pvc
Solution:
pvc