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: Impressive launch and @SpaceX will soon make Falcon 9 landings routine -- so good for space! Kudos SpaceX!— Jeff Bezos (@JeffBezos) January 17, 2016 Question: how executed the launch? Answer: in basketball
[EX A]: no

[EX Q]: Context: Did you miss the first half? Here's what it looked like on our live blog: #CNNWorldCup CNN Football Club (@CNNFC) July 8, 2014 Question: who was the world cup against? Answer: van gaal
[EX A]: no

[EX Q]: Context: The US Embassy in France (@USEmbassyFrance) has changed its Twitter pic to the #JeSuisCharlie image Elena Cresci (@elenacresci) January 7, 2015 Question: what embassy changed it's picture to je suis charlie? Answer: france
[EX A]:
yes