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: ブラッシングしながらホント冬の狸ってまんまるに見えるなーと思い撮影したはずなのに、何故かごにょごにょ中にいきなり布団を引っぺがされたような姿に写っていているタヌキでした。 ことり (@chibi_tori) January 23, 2016 Question: who was katy perry endorsing in her tweet? Answer: hillary clinton
[A]: no


[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: Sanders path? Build mo with big western wins, shock Clinton elsewhere, give super delegates jitters - @JohnKingCNN Zach Wolf (@zbyronwolf) March 26, 2016 Question: what team added elena donne? Answer: washington mystics
[A]:
no