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.
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Question: Context: Hey everybody, thanks for your concern. We're all safe & doing well in the Russian segment. Follow @Nasa for updates on @Space_Station today— Sam Cristoforetti (@AstroSamantha) January 14, 2015 Question: who balked on conditions? Answer: munchak

Answer: no


Question: Context: Very excited to welcome our next host: @Trevornoah! That's right - another guy in late night from Soweto. The Daily Show (@TheDailyShow) March 30, 2015 Question: where is trevor noah from? Answer: soweto.

Answer: yes


Question: Context: Beauitful scene made me cry #FastFurious7 #PaulWalkerTribute Becks Stoneman (@Becks_katie) April 5, 2015 Question: why did the author cry? Answer: she was upset about paul walker.

Answer:
yes