In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify this question-answer pair into two categories: (1) "yes" if the given answer is right for question, and (2) "no" if the given answer is wrong for question.

Ex Input:
Context: tbh I'm worried Justin Bieber is devising an elaborate plan to try and break out of prison Scare-ica Steiner 👻 (@SendARavenPlz) October 21, 2017 Question: what type of plan is the prison break? Answer: elaborate

Ex Output:
yes


Ex Input:
Context: Hi @Waterstones I've been locked inside of your Trafalgar Square bookstore for 2 hours now. Please let me out.— David Willis (@DWill_) October 16, 2014 Question: where did david willis say he was locked in? Answer: waterstones trafalgar square bookstore

Ex Output:
yes


Ex Input:
Context: I think we all know who will win the prestigious FAKE NEWS TROPHY! Thank you for this wonderful recognition, Mr. President!The Fake News with Ted Nelms - on @ComedyCentral 10pm, Dec 13thhttps:// Ed Helms (@edhelms) November 27, 2017 Question: what time is ed helms' show? Answer: sanders

Ex Output:

no