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.
Q: Sentence: Ben wants to put up a poster in the school hall and he wants it to be resistant to tearing. Question: What should he make the poster on? (A) construction paper (B) cardboard
A: 
cardboard