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.

[EX Q]: Context: One of the coolest things I've seen in my life. Woke up to the explosions - Volcán de Fuego, Guatemala. Brad Guay (@BradGuayWX) July 9, 2017 Question: what woke brad up? Answer: explosions
[EX A]: yes

[EX 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
[EX A]: no

[EX Q]: Context: The United States condemns the terror attack in Barcelona, Spain, and will do whatever is necessary to help. Be tough & strong, we love you!— Donald J. Trump (@realDonaldTrump) August 17, 2017 Question: where did the terrorist attack take place? Answer: barcelona, spain
[EX A]:
yes