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.

[Q]: Context: History is made! #MontrealProtocol countries agree to curb powerful greenhouse gases in largest climate breakthrough since Paris. 🌍🌎🌏 UN Environment (@UNEP) October 15, 2016 Question: what did @montrealprotocol countries agree to? Answer: curb greenhouse gases
[A]: yes


[Q]: Context: some things *are* worth waiting for. So good to have the OG crew back together #IdolFinale— Ryan Seacrest (@RyanSeacrest) April 8, 2016 Question: how many things does ryan seacrest find are worth the wait? Answer: some things.
[A]: yes


[Q]: Context: Any way you look at it, suicide is wrong because it does not end suffering, it ends hope. Before anybody starts... ZEFFeREEN (@ZEFFeREEN) November 3, 2014 Question: what show is justin thanking for? Answer: opening night
[A]:
no