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: Anna Wintour stares solemnly out her office window. "Excellent." A voice shrills from the room's corner. Kris Jenner emerges from darkness.— Christian (@csweda) March 21, 2014 Question: who reveals themselves from the shadows? Answer: kris jenner.
[EX A]: yes

[EX Q]: Context: "Distinguished ladies/gentlemen we've taken all the states, we'll call it a day and convene tomorrow at 10am. Goodnight to you all"- Jega— INEC Nigeria (@inecnigeria) March 30, 2015 Question: when will the meeting occur? Answer: at 10 am.
[EX A]: yes

[EX Q]: Context: So very sad to hear the awful news about Anton Yelchin. Such a fine actor with his whole career ahead of him. He will be remembered always.— Mark Hamill (@HamillHimself) June 19, 2016 Question: who was sad to hear some awful news? Answer: coordinated blood bank donations.
[EX A]:
no