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: Big jihadist danger looming everywhere from Philippines to Africa to Europe to US. Political correctness makes for denial and hypocrisy.— Rupert Murdoch (@rupertmurdoch) January 10, 2015 Question: is he talking about multiple countries? Answer: from philippines to africa to europe to us
Example Output: yes

Example Input: Context: .@rafaelnadal survives the rain and Monaco to win his first title of '15, 64 61 @ArgentinaOpen ATP World Tour (@ATPWorldTour) March 1, 2015 Question: who won the title? Answer: sza or khalids
Example Output: no

Example Input: Context: ...they do NOTHING for us with North Korea, just talk. We will no longer allow this to continue. China could easily solve this problem!— Donald J. Trump (@realDonaldTrump) July 29, 2017 Question: who could easily solve this problem? Answer: china
Example Output:
yes