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.

Example Input: Context: So proud of @justinbieber and all the Beliebers! I'm only happy to see your fans growing in size, you all deserve it! Monsters support you!— Lady Gaga (@ladygaga) January 16, 2013 Question: who is lady gaga proud of? Answer: ryan and biden
Example Output: no

Example Input: Context: Today there were terror attacks in Turkey, Switzerland and Germany - and it is only getting worse. The civilized world must change thinking!— Donald J. Trump (@realDonaldTrump) December 19, 2016 Question: what must the civilized world do according to trump? Answer: change thinking
Example Output: yes

Example Input: Context: Painful "Comms: As a father myself, I understand what this man is going through as his son is on #MH370. Hishammuddin Hussein (@HishammuddinH2O) March 9, 2014 Question: what is his son on? Answer: nawaz sharif ji & his mother
Example Output:
no