In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify this question-answer pair into two categories: (1) "yes" if the given answer is right for question, and (2) "no" if the given answer is wrong for question.

[EX Q]: Context: Is Ebola a disease of #poverty? Read this @UNDP blog to find out: #EbolaResponse UN Geneva (@UNGeneva) December 4, 2014 Question: what disease are they tweeting about? Answer: ebola
[EX A]: yes

[EX Q]: Context: #DemocracySpring sitting in -- said they'll try to enter arena perimeter if not arrested... one delegate turned back Greg Krieg (@GregJKrieg) July 25, 2016 Question: how many delegates were turned back? Answer: one
[EX A]: yes

[EX Q]: Context: Thnx Temperley 4 my beautiful dress! & thank you to my friend @JimVerraros & Maria Elena 4 the beautiful headpiece! Kelly Clarkson (@kelly_clarkson) October 21, 2013 Question: for what is jim verraros and maria elena being thanked for? Answer: the greenpeace uk protest.
[EX A]:
no