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: Today's UN resolution made it clear: the world won't accept #Russia's illegal annexation of #Crimea. #UnitedforUkraine Samantha Power (@AmbassadorPower) March 27, 2014 Question: *there is no tweet shown Answer: *there is no tweet shown
[A]: yes

[Q]: Context: Senator Bob Corker "begged" me to endorse him for re-election in Tennessee. I said "NO" and he dropped out (said he could not win without... Donald J. Trump (@realDonaldTrump) October 8, 2017 Question: what chat was this author partaking in? Answer: #cnnafrica
[A]: no

[Q]: Context: Mariah Carey goes on her balcony enjoying the cool air, the sound of "All I Want For Christmas" plays in her head. "Soon," she whispers. Frank Lowe (@GayAtHomeDad) November 6, 2014 Question: what sound is playing? Answer: all i want for christmas
[A]:
yes