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: Worth saying again: it is DRY dry out here. Lots of fields like this. Plowing the dust. #endangeredriver #cadrought John D. Sutter (@jdsutter) June 19, 2014 Question: what is john's concern about california? Answer: that they're having a major drought.
[EX A]: yes

[EX Q]: Context: A3:World Hickory Championship supported by @carnoustiecntry this year at Panmure Golf Club (Oct 6-10th) #scotlandhour Scottish GolfPodcast (@ScotGolfPodcast) September 24, 2014 Question: what do the cavs have? Answer: space and attractive situation
[EX A]: no

[EX Q]: Context: Just bought another 574,002 shares of $TWTR (bringing my 2017 purchases to 1 million shares) jack (@jack) April 28, 2017 Question: who was rogan referring the comment to? Answer: @macklemore
[EX A]:
no