You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).

Ex Input:
Sentence: Elias has just made two paper airplane. One is consistently faster in the air. Question: This is probably made of which? (A) Printer Paper (B) Poster Board

Ex Output:
Poster Board


Ex Input:
Sentence: The Flash and The Hulk decide to race each other. The Flash is the fastest being in the galaxy. They agree to sprint for 1 min. Question: Who wins the race? (A) The Hulk (B) The Flash

Ex Output:
The Hulk


Ex Input:
Sentence: Polyethylene is more flexible then pvc. Question: Which plastic is the more breakable of the two? (A) polyethylene (B) pvc

Ex Output:

polyethylene