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: 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: dang I'm Mormon but the pope is such a cool guy. I would hang with him any day— Isabel Williams (@isabelkatew) July 28, 2015 Question: who does isabel want to hang with? Answer: u2
[EX A]: no

[EX Q]: Context: Here are some event displays from the #RestartLHC splash events just seen by CMS! CMS Experiment CERN (@CMSexperiment) April 5, 2015 Question: what event are the displays from? Answer: starbucks
[EX A]:
no