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.
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Question: Context: I have cerebral palsy #iamapreexistingcondition I deserve health care Casey Green (@caseylgreen09) May 4, 2017 Question: what is it that casey has? Answer: cerebral palsy

Answer: yes

Question: Context: "Same thing basically." -the Pepsi ad wizards who came up with this one Joanna Robinson (@jowrotethis) April 4, 2017 Question: what are the pepsi ad wizards say? Answer: same thing basically

Answer: yes

Question: Context: Missouri State Fair is requiring "sensitivity training" for rodeo clowns following Obama mockery incident. Thoughts? Josh Levs (@joshlevscnn) August 15, 2013 Question: what is missouri state fair requiring for rodeo clowns Answer: sensitivity training

Answer:
yes