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: Joe Biden's son ousted from the Navy for cocaine? If the son is like the father, that's a scary thought: think of Joe Biden. Now add cocaine— Bill Maher (@billmaher) October 18, 2014 Question: what branch of military was joe biden's son in? Answer: navy
[EX A]: yes

[EX 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
[EX A]: yes

[EX Q]: Context: I am never getting over this @twentyonepilots# Thomas |-/ (@thomasjphelps) February 13, 2017 Question: how does tomas feel about this? Answer: never getting over it
[EX A]:
yes