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: Im giving everyone involved 24 hours to make it right or the world will hear how I really feel. contactually Im not allowed to speak!— Kelly Osbourne (@KellyOsbourne) February 24, 2015 Question: what is the dog's name? Answer: elka

Ex Output:
no


Ex Input:
Context: Scary moment we #CHI fans just broke down a barrier and stormed stadium. Sam Laird (@samcmlaird) June 18, 2014 Question: what state had an occurrence with a skywriter? Answer: iowa

Ex Output:
no


Ex Input:
Context: Caitlyn Jenner takes NYC by storm Page Six (@PageSix) June 30, 2015 Question: who is she proud of? Answer: bruce, her dad.

Ex Output:

no