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.
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Question: 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

Answer: yes


Question: Context: Support our work to help the children & families impacted by the USA #tornadoes: Save the Children (@SavetheChildren) April 30, 2014 Question: why have children and families been hurt? Answer: by tornadoes

Answer: yes


Question: Context: the world is on fire and #nobama is making stupid buzzfeed selfie stick videos and not corralling llamas #tcot— Asawin Suebsaeng (@swin24) February 26, 2015 Question: what is on fire? Answer: the world

Answer:
yes