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.

Example Input: Context: Zumyah tonight you gave my band and I something we've never felt before. you're an inspiration to... Bruno Mars (@BrunoMars) June 29, 2014 Question: who had a much needed win? Answer: @torontorocklax
Example Output: no

Example Input: Context: Yessir "BubbaClaus" da single drops today!! #urwelcome bubba watson (@bubbawatson) December 16, 2014 Question: who's show is referenced in the tweet? Answer: brooke baldwin's
Example Output: no

Example Input: Context: Gen Mattis last week: "If we did not have NATO today, we would need to create it"Pres-Elect Trump today: "NATO is obsolete"— Ivo Daalder (@IvoHDaalder) January 16, 2017 Question: tweet does not exist Answer: tweet does not exist
Example Output:
no