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: Two Duchess of Cambridge images have joined @NPGLondon's #Vogue100 exhibition from today: VOGUE.CO.UK (@BritishVogue) May 1, 2016 Question: who joined vogue100 exhibition? Answer: two dutchess of cambridge
[EX A]: yes

[EX Q]: Context: Scary 6.1 earthquake in Napa this morning at 3:45... Rattled but safe! Hannah Hustedt (@MontanaTweets) August 24, 2014 Question: what is hannah hustedt safe from? Answer: napa earthquake
[EX A]:
yes