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: Hillary Clinton declined to comment on Trump's recent Bill Clinton attacks when I asked her today on the ropeline. Dan Merica (@danmericaCNN) December 29, 2015 Question: who declined to comment on trump's recent bill clinton attacks? Answer: hillary clinton.

Ex Output:
yes


Ex Input:
Context: Travelling fans who attended the defeat at Southampton have been offered ticket refunds. Sunderland AFC (@SunderlandAFC) October 21, 2014 Question: where is the case headed? Answer: the court of law.

Ex Output:
no


Ex Input:
Context: There aren't a lot of nice things I can say about Kellyanne Conway but one is I think she would have made a better Javert than Russell Crowe Michelle Collins (@michcoll) January 20, 2017 Question: why did mrs. bieber request uk stops be cancelled? Answer: for safety

Ex Output:

no