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: Philae:10 years in transitLanded on cometBounced (x2)Stuck in shadeSCIENCED ANYWAYLost powerWaitedOne month to goFOUND BY ROSETTA— Katie Mack (@AstroKatie) September 5, 2016 Question: who gives him strength? Answer: loved ones

Ex Output:
no


Ex Input:
Context: .@SheriffClarke: "I know [@POTUS] personally. Look, he does not have a racist bone in his body." # Fox News (@FoxNews) August 15, 2017 Question: where is flavio edreira from? Answer: brazil

Ex Output:
no


Ex Input:
Context: Protip: Don’t give the Russians classified information. #Classified101— Martin Heinrich (@MartinHeinrich) May 15, 2017 Question: what will they do to support lgbt youth? Answer: wear purple on thursday

Ex Output:

no