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: Tennessee's GOP Governor @BillHaslam has been elected RGA Chairman for 2015! The RGA (@The_RGA) November 20, 2014 Question: what is the author of the tweets emotion? Answer: disappointed

Ex Output:
no


Ex Input:
Context: Google puts its best designer in charge of Google Glass, its biggest design problem. Nicholas Thompson (@nxthompson) January 15, 2015 Question: who did google put in charge of google glass? Answer: tony fadell

Ex Output:
yes


Ex Input:
Context: VINE: The lads went sub zero in the cryotherapy chamber to aid their recovery on Thursday #COYI West Ham United FC (@whufc_official) March 27, 2014 Question: who does lin manuel support? Answer: neh gov

Ex Output:

no