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.

Q: Context: At 1:21 before launch, a thrust vector control actuator for the Falcon 9's 2nd stage failed to perform as expected. @SpaceX is evaluating.— NASA (@NASA) January 6, 2015 Question: what happened to the thrust vector control Answer: it failed

A: yes
****
Q: Context: We coming to the White House @BarackObama •• hope you ready for us! — Bobby Wagner (@Bwagz54) February 3, 2014 Question: who is coming to the white house? Answer: nsa and/or fortmeade public affairs.

A: no
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Q: Context: This dark and gritty '#PowerRangers' short film is surprisingly awesome - #NSFW - Geek Republic (@GeekRep) February 25, 2015 Question: how is the power rangers film described? Answer: cia

A:
no
****