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.
--------
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: Corrected Link: Unarmed Missouri teen killed by officer after 'physical confrontation' NBC News (@NBCNews) August 10, 2014 Question: where did he meet him and his mom? Answer: on a plane

Answer: no


Question: Context: We had a serious mishap tonight outage live on @nbcagt. A very unfortunate mechanical failure but I am very fortunate to walk away from it.— Ryan Stock (@comedydaredevil) August 3, 2016 Question: who notches his 800th point? Answer: jason spezza

Answer:
no