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'm arriving in Surabaya to take Nisa home to Palembang. I cannot describe how I feel. There are no words. Tony Fernandes (@tonyfernandes) January 2, 2015 Question: where is tony fernandes taking nisa? Answer: to palembang

Ex Output:
yes

Ex Input:
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 Output:
yes

Ex Input:
Context: All the winners for musical leads are BLACK. Don't let them erase that. They are BLACK #TonyssoBLACK #TonyAwards shanna baenana (@shittybonmots) June 13, 2016 Question: what awards did the musical leads win at? Answer: tony awards

Ex Output:
yes