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: 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: A5: Look at your projections. If they show you are better off selling, then sell. Hold out if it shows there are better offers. #CNNAfrica— Gossy Ukanwoke (@gossyomega) January 14, 2015 Question: what is the tweeter watching? Answer: the vice presidential debate

Ex Output:
no


Ex Input:
Context: Every Yankee is coming up to a Jeter walk-up song in their at-bats tonight #FarewellCaptain — Yankees PR Dept. (@YankeesPR) September 25, 2014 Question: who attended a meeting with lebron james in july 2014? Answer: pat riley

Ex Output:

no