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.

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
yes

Context: Pumped to be racing again... Happy with the time tonight right where I wanted to be!!— Michael Phelps (@MichaelPhelps) April 25, 2014 Question: who is pumped to be racing? Answer: michael phelps
yes

Context: Any doctor returning from treating Ebola patients overseas might oughtta wanna be quarantined out of caution, no? Bill Green (@mtlb) October 24, 2014 Question: what do the doctors returning want to do out of caution? Answer: jonathan bennett

no