In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.
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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: who is being congratulated by riz? Answer: all the nominees

Answer: no

Question: Context: Fabrizio is receiving treatment after being struck on the head by a ball on the 16th hole. Glad to say he is ok though and we wish him well The European Tour (@EuropeanTour) September 11, 2014 Question: who is receiving treatment? Answer: fabrizio

Answer: yes

Question: 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: obamacare.

Answer:
yes