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.

[Q]: Context: #NepalEarthquake2 Casualties being moved from village #Mrigu to #Kathmandu by #IAF's MI-17 V5 helicopter. Sitanshu Kar (@SpokespersonMoD) May 12, 2015 Question: what caused there to be casualties? Answer: #nepalearthquake2
[A]: yes


[Q]: Context: Zack and @BigIdahoPotato present the Big Potato. $18000 to the Columbus Foundation! Potato Stock (@PotatoStock) September 27, 2014 Question: what foundation is this tweet talking about Answer: the columbus foundation
[A]: yes


[Q]: Context: #ZimShutDown2016 this is what Harare looks like at the moment Thembi Manyike (@mamakaonou) July 6, 2016 Question: what place is thembi manyike talking about? Answer: a raise
[A]:
no