instruction:
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.
question:
Context: @cnni I hope the families of the victims get the truth and finally closure #Westgate6Months— Ruthie Ruthie (@808Ruthie) March 17, 2014 Question: how powerful was the napa earthquake? Answer: 6.1
answer:
no


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: I unreservedly condemn the barbaric attack @ Liido. My thoughts and prayers are with the victims #Somalia— @SomaliPM (@SomaliPM) January 21, 2016 Question: who did john legend perform with? Answer: stevie wonder
answer:

no