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: I gotta find a McDonalds! — Doug Baldwin Jr (@DougBaldwinJr) February 3, 2014 Question: how bad off is the subject? Answer: critical
[EX A]: no

[EX Q]: Context: Just another night in the desert @justinbieber #beliebit Caroline Wozniacki (@CaroWozniacki) March 11, 2015 Question: what does she have in desert? Answer: another night
[EX A]: yes

[EX Q]: Context: "This revolution really can help Hong Kong," says Vian Lo, who's optimistic about the protester movement's prospects. Jethro Mullen (@jethromullen) October 2, 2014 Question: what college is being referenced? Answer: uw madison.
[EX A]:
no