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: .@Bakari_Sellers: We don't want anything from white nationalists. All we want is human dignity and equity. CNN Tonight (@CNNTonight) December 22, 2016 Question: who wants power taken from white establishments Answer: the left

Ex Output:
yes


Ex Input:
Context: Enormous crowds in Paris as public & world leaders gather to stand up to terrorism #ParisAttacks #JeSuisCharlie Jim Sciutto (@jimsciutto) January 11, 2015 Question: what movement or slogan is the crowd supporting? Answer: je suis charlie

Ex Output:
yes


Ex Input:
Context: "@laurasgoldman: .@realDonaldTrump why is it necessary to comment on .@ariannahuff looks? Because she is a dog who wrongfully comments on me — Donald J. Trump (@realDonaldTrump) April 7, 2015 Question: why did star wars open late? Answer: intergalactic saving time.

Ex Output:

no