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: Despite this, they claim without evidence I'm in cahoots with Russian intel. Everyone knows this is false, but let's examine their basis:— Edward Snowden (@Snowden) December 22, 2016 Question: who posted this tweet? Answer: psg officiel
[EX A]: no

[EX Q]: Context: Hillary Clinton has stolen our innovative WikiLeaks twitter logo design. Compare: @WikiLeaks vs @HillaryClinton WikiLeaks (@wikileaks) April 12, 2015 Question: what did @montrealprotocol countries agree to? Answer: curb greenhouse gases
[EX A]: no

[EX Q]: Context: #Sochi2014 Bear is inconsolable after Russia's loss to Finland in the #IceHockey... :-( Sochi 2014 (@Sochi2014) February 19, 2014 Question: which news organization does jim acosta work for? Answer: cnn
[EX A]:
no