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: The media at the school that lost 16 pupils n 2 teachers in #GermanWingsCrash. Cold n rain matches the mood @CNN Paul Devitt (@cameramanCNN) March 25, 2015 Question: who are on the edge of their seats? Answer: survivors and family members of victims

Ex Output:
no

Ex Input:
Context: Why should you recycle coffee grounds? Watch, Share, Get in touch! #poweredbycoffee this #WorldEnvironmentDay ! bio-bean®️ (@Bio_Bean_UK) 5 June 2016 Question: how many times can the grounds be recycled? Answer: best results are no more than 3xs.

Ex Output:
yes

Ex Input:
Context: Ken Rosenthal @Ken_RosenthalSource: Phillips trade from #Reds to #Braves expected to be done tomorrow. CIN will pay most of Phillips' $14M salary in 2017, save some $$.2/12/2017, 5:03:59 AM Question: what is amy saying to vulture? Answer: she would love her.

Ex Output:
no