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 Q]: 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 A]: yes

[EX Q]: Context: Happy Birthday Nelson Mandela. You teach us tolerance, forgiveness and simple kindness. #Saint— Kim Engelbrecht (@kimengelbrecht) July 18, 2012 Question: what does nelson mandela teaches us? Answer: inclusiveness
[EX A]: no

[EX Q]: Context: Only Republicans are offering real solutions to help middle-class families get ahead → Speaker John Boehner (@SpeakerBoehner) October 3, 2014 Question: which families need soluyions to get ahead? Answer: organics
[EX A]:
no