In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.

[EX Q]: Context: Obama on 2016 campaign: "It's not even Survivor or the Bachelorette. I mean it's like some 'Love and Hip-Hop' stuff" CNN (@CNN) November 4, 2016 Question: when did obama refer to reality tv shows Answer: during the 2016 campaign
[EX A]: yes

[EX Q]: Context: Sigh. Because I'm still having to use the block button for hateful messages. #YesAllWomen— Amber Naslund (@AmberCadabra) May 26, 2014 Question: what is amber using to stop hateful messages Answer: the block button
[EX A]: yes

[EX Q]: Context: "If you are always trying to be normal, you will never know how amazing you can be." Maya Angelou - who was utterly amazing.— J.K. Rowling (@jk_rowling) May 28, 2014 Question: if a person is always trying to be normal, they will never know what? Answer: how amazing they can be
[EX A]:
yes