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.

[EX Q]: Context: Dearest Containment fans, we made 13 wonderful episodes of a powerful story. We'll make more if someone asks us, but in the meantime, enjoy! julieplec (@julieplec) May 12, 2016 Question: what percentage of flights is canceled? Answer: 30 percent.
[EX A]: no

[EX Q]: Context: Just beat a robot at beer pong. #CES2015 #onlyinVegas Ryan Owens (@RPOwens) January 7, 2015 Question: where did ryan owens beat a robot at beer pong? Answer: las vegas
[EX A]: yes

[EX Q]: Context: Reports of the Great Barrier Reef's death are greatly exaggerated, say scientists, booing Outside Magazine Tony Davis (@tonydavis987) October 14, 2016 Question: who wants to drop out? Answer: jennifer brady
[EX A]:
no