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: To clarify, I was referring to Pres Obama's national security decisions that have led to rise of #ISIL, not to the President himself John McCain (@SenJohnMcCain) June 16, 2016 Question: who did people think john mccain was referring to? Answer: president himself

Answer: yes

Question: Context: @nightlyshow is so good! I know people will be offended, but I'm glad that @ComedyCentral is starting a conversation that our country needs. Josh Damigo (@joshdamigo) January 20, 2015 Question: what must the civilized world do according to trump? Answer: change thinking

Answer: no

Question: 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 will be in dc next week? Answer: taylorswift13

Answer:
yes