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 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

Ex Output:
yes


Ex Input:
Context: Some observers say Pope Francis's views on poverty and wealth make him a communist - is he? 📻 BBC World Service (@bbcworldservice) September 20, 2015 Question: who might be a communist? Answer: prez @barackobama

Ex Output:
no


Ex Input:
Context: I recognize that this is not my first lapse in judgment, and I am extremely disappointed with myself.— Michael Phelps (@MichaelPhelps) October 5, 2014 Question: how does michael phelps feel about himself? Answer: section 5 public order act.

Ex Output:

no