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: Today, nearly 200 countries took an historic step to #ActOnClimate for future generations by phasing down HFCs: The White House (@WhiteHouse) October 15, 2016 Question: nearly 200 countries took steps to do what? Answer: putin

Ex Output:
no


Ex Input:
Context: "They really will pull the thread that unravels the entire system" @SenStabenow on #GOP repealing Obamacare OutFrontCNN (@OutFrontCNN) January 5, 2017 Question: what might be appealed according to outfrontcnn? Answer: ellen degeneres.

Ex Output:
no


Ex Input:
Context: Boot- I simply cannot believe the news. Devastated. I love you so much. We did so much together and had such great times. #RIPLouisJohnson— Quincy Jones (@QuincyDJones) May 22, 2015 Question: does quincy jones love or hate louis? Answer: he loves louis  johnson

Ex Output:

yes