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.

Input: Consider Input: Context: I think Lleyton #Hewitt deserves a monument in Melbourne park for his fighting spirit and effort every time he plays! Impressive #19Ausopens— victoria azarenka (@vika7) January 20, 2015 Question: why does lleyton #hewitt deserve a monument? Answer: his fighting spirit

Output: yes


Input: Consider Input: Context: ...And I got you pop, @MiloVentimiglia! #ThisIsUs... Sterling K Brown (@SterlingKBrown) November 30, 2016 Question: what did sterling reply to miloventimiglia? Answer: nc state

Output: no


Input: Consider Input: 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


Output: yes