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: I'm surprised Betsy DeVos hasn't publicly supported this snow storm yet as it's shutting down all local public schools.— Gideon Glick (@gidglick) February 9, 2017 Question: what is shutting down the public schools? Answer: chrissy teigen
[EX A]: no

[EX Q]: Context: Use Sheev Palpatine to stain wood for a deep, evil, cherry finish. Sheev Palpatine, available at Home Depot. — Adam (@TheJackSack) October 15, 2014 Question: what should sheev palpatine be used for? Answer: staining wood
[EX A]: yes

[EX Q]: Context: Vote for Romney. The only choice for your future. @mittromney @teamromney #mittromney #VOTE #voteromney Stacey Dash (@REALStaceyDash) October 7, 2012 Question: what presidential candidate is the tweeter favorable to? Answer: jay z
[EX A]:
no