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: I desperately want a reporter to ask Sean Spicer what he has in his teeth Alexandra Gallant (@Gallantdesigner) March 27, 2017 Question: who was the piece by? Answer: dmitriy samohin

Ex Output:
no


Ex Input:
Context: And GIF of the Year goes to... the range of emotions on @realDonaldTrump's face. #Webbys@Verizon@giphyhttps:// The Webby Awards (@TheWebbyAwards) May 17, 2016 Question: how is pop doing in the hospital? Answer: well enough

Ex Output:
no


Ex Input:
Context: Proud to celebrate a historic victory for marriage equality—& the courage & determination of LGBT Americans who made it possible. -H— Hillary Clinton (@HillaryClinton) June 26, 2015 Question: who can't always be present? Answer: trump's surrogates.

Ex Output:

no