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: Friant Kern canal sends water 152 mi south of here to Bakersfield Cali. Mostly to farms. #endangeredriver John D. Sutter (@jdsutter) June 13, 2014 Question: who approved the first-ever wireless charging technology? Answer: @fcc
[A]: no


[Q]: Context: Attacks on @potus for statement on #NorthKoreaNukes are ridiculous.They act as if #NorthKorea would act different if he used nicer words 2/4— Marco Rubio (@marcorubio) August 10, 2017 Question: why is potus being attacked? Answer: for statement on north korea nukes
[A]: yes


[Q]: Context: Oops, Bradlee! Can hear Ben yelling now, "You White House clowns never get it right!" What a wonderful man.— David Gergen (@David_Gergen) October 22, 2014 Question: who is yelling now? Answer: ben
[A]:
yes