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 Input:
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 Output:
yes


Ex Input:
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 Output:
no


Ex Input:
Context: beautiful story, and make her proud up in heaven #babygirl #forever #OneInAMillion— Zendaya (@Zendaya) June 16, 2014 Question: where did zendaya want to make her proud? Answer: up in heaven

Ex Output:

yes