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: 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

Ex Output:
yes


Ex Input:
Context: This dark and gritty '#PowerRangers' short film is surprisingly awesome - #NSFW - Geek Republic (@GeekRep) February 25, 2015 Question: what is surprisingly awesome? Answer: short film power rangers

Ex Output:
yes


Ex Input:
Context: Heartbroken to learn of the loss of the lovely and talented L'Wren Scott. My thoughts and prayers are with her family. May she rest in peace— Bianca Jagger (@BiancaJagger) March 17, 2014 Question: who was she watching? Answer: alphonso ribero

Ex Output:

no