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.

Q: 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

A: no
****
Q: Context: I wish this year would stop already it's just to much. Chris Rock (@chrisrock) June 4, 2016 Question: whose famous celebrity is matthew knowles' daughter? Answer: beyonce

A: no
****
Q: Context: ...to terrorism and airline flight safety. Humanitarian reasons, plus I want Russia to greatly step up their fight against ISIS & terrorism.— Donald J. Trump (@realDonaldTrump) May 16, 2017 Question: what did he talk to? Answer: his family

A:
no
****