Definition: 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.
Input: Context: Kim Jong Un's response to @realDonaldTrump's UN speech. Written in first person, released by #NorthKorea media: U Josh Berlinger (@j_berlingerCNN) September 22, 2017 Question: whose response is this? Answer: kim jong un

yes