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 Input:
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 Output:
yes

Ex Input:
Context: Brett McMurphy @McMurphyESPNAfter 2nd year of 4-year deal, Camping World ends its naming rights sponsorship w/Independence Bowl, Shreveport Times reports1/20/2017, 10:17:53 PM Question: how long was the deal supposed to last? Answer: it was a 4-year deal.

Ex Output:
yes

Ex Input:
Context: How ironic I was at the #WhiteHouse today when I confirmed I'm speaking @DemConvention next week for #45POTUS. Star Jones (@StarJonesEsq) July 20, 2016 Question: for what team is matt barnes the forward? Answer: kings

Ex Output:
no