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: CURRENT FRENCH TOAST ALERT LEVEL: SEVERE -- #fb— French Toast Alert (@FrenchToastAlrt) January 25, 2015 Question: why did presley want people to calm down? Answer: they were in midst of negotiations

Ex Output:
no


Ex Input:
Context: @CNN NEVER seen Trump so respectful,Pastor should moderate debates, "Listen,I'm gonna need you to answer the question?" Trump: Oh Yes Ma'am😂— Soso Steward (@sophagazelle) September 15, 2016 Question: what action could ebola doctors stand for? Answer: they could wanna be quarantined.

Ex Output:
no


Ex Input:
Context: Michigan Football will watch "American Sniper"! Proud of Chris Kyle & Proud to be an American & if that offends anybody then so be it!— Coach Harbaugh (@CoachJim4UM) April 9, 2015 Question: who is coach harbaugh proud of, no matter what? Answer: chris kyle

Ex Output:

yes