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 Input:
Context: Hey everybody, thanks for your concern. We're all safe & doing well in the Russian segment. Follow @Nasa for updates on @Space_Station today— Sam Cristoforetti (@AstroSamantha) January 14, 2015 Question: who balked on conditions? Answer: munchak

Ex Output:
no


Ex Input:
Context: I agree with @realDonaldTrump, his Attorney General should not have recused himself over reported incidental contacts with Russian officials— Senator Rand Paul (@RandPaul) July 20, 2017 Question: what radio talent seems to have upset james rogala? Answer: brian williams

Ex Output:
no


Ex Input:
Context: I want to encourage people/young girls like me to be YOURSELF & not be afraid to experiment w your look. ❤️❤️❤️— Kylie Jenner (@KylieJenner) April 21, 2015 Question: what should you not be afraid to do? Answer: experiment with your look

Ex Output:

yes