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.

Example 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
Example Output: yes

Example Input: Context: what people expect their pictures to look like tonight vs what they will look like #SuperBloodMoon So Damn True! (@SayingForFemale) September 28, 2015 Question: how often does this happen Answer: patty duke
Example Output: no

Example Input: Context: Santa leaves presents, not puddles of puke. Know your limits, Santa! #dontscroogesantacon— santacon (@santacon) December 11, 2014 Question: what does santa normally leave? Answer: presents
Example Output:
yes