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 Q]: Context: Don't even know what to say. To be in Vegas while this is happening, brings a pain to my heart. My team and I are safe Thank God! Prayers up— Trey Songz (@TreySongz) October 2, 2017 Question: what did songz say after he thanked god? Answer: that his team and him were safe
[EX A]: yes

[EX Q]: Context: Update: Recife drowning! #cnnworldcup #newday Frederik Pleitgen (@fpleitgenCNN) June 26, 2014 Question: who was spending time with sheriff hilliard? Answer: senator scott brown
[EX A]: no

[EX Q]: Context: If only Adele said Salaam instead of Hello... #WhatBritishMuslimsReallyThink— Bilal Hassam (@bilalhassam) April 10, 2016 Question: what type of person has "left the building"? Answer: a genius.
[EX A]:
no

