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: worst thing abt being on west coast: waiting 3 hrs to see spectacular men"s swim relay+having to avoid twitter et al to insure suspense.— Bill Carter (@wjcarter) August 8, 2016 Question: how is the men's swim relay described? Answer: spectacular.

Ex Output:
yes


Ex Input:
Context: I want to speak to the future leaders of America. Don't let anyone define you but you. You have a responsibility to be yourself. Be proud.— Tim Scott (@votetimscott) November 5, 2014 Question: who does ted cruz want donald trump to talk to? Answer: president tsai

Ex Output:
no


Ex Input:
Context: 2C Arrived at a Everest High Camp.Thanks for joining Alzheimer's Prevention Registry at Alan Arnette (@alan_arnette) April 27, 2015 Question: what country are these prisons they are referring to in? Answer: the prisons are in turkmenistan.

Ex Output:

no