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: Environmental Racism + Indifference = Lead in the Water & Blood...The Poisoning of Flint's Water 0 #FlintWaterCrisis— Cornell Brooks (@CornellWBrooks) January 24, 2016 Question: what city is mr. brooks talking about? Answer: flint, mi

Ex Output:
yes


Ex Input:
Context: Brett McMurphy @McMurphyESPNAfter 2nd year of 4-year deal, Camping World ends its naming rights sponsorship w/Independence Bowl, Shreveport Times reports1/20/2017, 10:17:53 PM Question: how long was the deal supposed to last? Answer: it was a 4-year deal.

Ex Output:

yes