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: 200 people at #chicago Mayor Rahm Emanuel's office protesting police handling of black men. #ferguson #cnn billkirkos (@KirkosBill) November 25, 2014 Question: how many people protested at rahm emanuel's office? Answer: 200 people

Ex Output:
yes


Ex Input:
Context: KellyAnne Conway setting all sorts of fashion trends for the # Michael Moran (@TheMichaelMoran) January 20, 2017 Question: who is setting all sorts of trends? Answer: kellyanne conway

Ex Output:
yes


Ex Input:
Context: Let's see some biting memes!! #worldcup #suarez ChristopherDReed (@Chrisreed619) June 24, 2014 Question: who is the distributor of the interview? Answer: sony pictures

Ex Output:

no