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: Q7: What's the best way to promote your tech startup? And how important is it to attract media attention? #CNNAfrica CNN African Start-Up (@cnnafricanstart) January 14, 2015 Question: what kind of businesses are being addressed by cnn africa? Answer: tech startups
[EX A]: yes

[EX Q]: Context: 9 yr old Jacobeth needs urgent med-evac for operation, hurt by falling roof which killed her mother,brother #Vanuatu Ivan Watson (@IvanCNN) March 17, 2015 Question: how did 9 year old jacobeth get hurt? Answer: the effort of firefighters
[EX A]: no

[EX Q]: Context: Thanks everyone for congratulating me on my win #ufc— Amy Schumer (@amyschumer) November 15, 2015 Question: who is amy schumer thanking for her ufc win? Answer: everyone.
[EX A]:
yes