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: 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: And #GLORY wins. Look at those smiling faces. Common and Legend are masters with words. What a powerful Oscar moment. #SelmaIsNOW— Dine Alone Records (@dinealonemusic) February 23, 2015 Question: which music record won its oscar? Answer: glory
[A]: yes


[Q]: Context: FYI, @taylorswift13, my interns say they're available to give a Capitol tour while you're in DC next week #1989TourDC Rep. Martha Roby (@RepMarthaRoby) July 10, 2015 Question: who is in dc giving tours? Answer: the interns.
[A]:
yes