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: both countries will, perhaps, work together to solve some of the many great and pressing problems and issues of the WORLD!— Donald J. Trump (@realDonaldTrump) January 7, 2017 Question: what is described as having great and pressing problems? Answer: the world

Ex Output:
yes


Ex Input:
Context: That's what I call a team effort! Everyone played their part this week, so proud to be a part of #TeamEurope. Captain McGinley = phenomenal— Rory Mcilroy (@McIlroyRory) September 28, 2014 Question: who was the captain of team europe? Answer: mcginley

Ex Output:
yes


Ex Input:
Context: I'm arriving in Surabaya to take Nisa home to Palembang. I cannot describe how I feel. There are no words.— Tony Fernandes (@tonyfernandes) January 2, 2015 Question: why is tony fernandes arriving in surabaya? Answer: she

Ex Output:

no