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: This guy did a faceswap with a @Harry_Styles pic so we'd get an idea of how our Hazza looks with a shaved head. Busy BBC Radio1 Breakfast (@R1Breakfast) May 9, 2016 Question: when is a #adaywithoutawoman? Answer: tomorrow

Ex Output:
no

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: #Sochi2014 Bear is inconsolable after Russia's loss to Finland in the #IceHockey... :-( Sochi 2014 (@Sochi2014) February 19, 2014 Question: who did russia lose to at the soci 2014 olympics? Answer: finland

Ex Output:
yes