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: Man chill y'all damn 😭😭 some random nigga (@youngtravo) February 9, 2015 Question: who is he asking to chill? Answer: y'all
[EX A]: yes

[EX Q]: Context: It has been a blessing to know John Glenn and for Connie and me to count him and Annie as mentors and friends. We will miss him. - SB— Sherrod Brown (@SenSherrodBrown) December 8, 2016 Question: what's the only last name mentioned? Answer: glenn
[EX A]: yes

[EX Q]: Context: Hey everybody, thanks for your concern. We're all safe & doing well in the Russian segment. Follow @Nasa for updates on @Space_Station today— Sam Cristoforetti (@AstroSamantha) January 14, 2015 Question: who is providing space station updates? Answer: nasa
[EX A]:
yes