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: Jimmy & @KevinHart4real visit a haunted house! #FallonTonight u Fallon Tonight (@FallonTonight) October 14, 2016 Question: who visited a haunted house with jimmy fallon Answer: kevin hart
[EX A]: yes

[EX Q]: Context: Flags at half mast for Whitney Houston? 4 Marines and 1 Navy serviceman assassinated by a terrorist on our soil.....nothing?— Curt Schilling (@gehrig38) July 20, 2015 Question: who is going to perform more tests? Answer: the state lab team
[EX A]: no

[EX Q]: Context: .@realDonaldTrump Q2: You've said you "hate the concept of guns." Why the change? When did it happen? What's the 2nd Amendment mean to you?— Ben Sasse (@BenSasse) January 25, 2016 Question: to whom is the poster addressing questions? Answer: donald trump
[EX A]:
yes