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: Let's see some biting memes!! #worldcup #suarez ChristopherDReed (@Chrisreed619) June 24, 2014 Question: what are these memes based on? Answer: graham-cassidy
[EX A]: no

[EX Q]: Context: I am in a house in #Gaza City, with a five-year-old, a pregnant woman, her husband, brother. Last five incoming booms shook the room.— Sara Hussein (@sarahussein) November 16, 2012 Question: where was sara hussein at? Answer: a house in #gaza city
[EX A]: yes

[EX Q]: Context: Spoke to one lucky woman today who survived 36 hours in the rubble of this 5 floor building. Tim Hume (@tim_hume) April 28, 2015 Question: how many hours was the lucky woman stuck in the 5th floor building? Answer: russia's track and field team.
[EX A]:
no