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: @_mariareza @mizraimbelman no selfie The secret service was watching our every move— Juan Belman (@juanbelman) July 11, 2014 Question: who was watching juan belman? Answer: secret service

Output: yes


Input: Consider Input: Context: Pumped to be racing again... Happy with the time tonight right where I wanted to be!!— Michael Phelps (@MichaelPhelps) April 25, 2014 Question: who is pumped to be racing? Answer: michael phelps

Output: yes


Input: Consider Input: Context: Mike Brown question sparks MetroLink beating caught on video This is disgusting. We have a major problem, STL.— Antonio French (@AntonioFrench) March 27, 2015 Question: what is mike brown spark? Answer: metrolink beating


Output: yes