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: Police form circular wall. Reports of flag burning planned outside convention. Firefighters on scene # Tolly Taylor (@TollyTaylor) July 20, 2016 Question: what is planned outside the convention? Answer: flag burning

Ex Output:
yes


Ex Input:
Context: Obama on 2016 campaign: "It's not even Survivor or the Bachelorette. I mean it's like some 'Love and Hip-Hop' stuff" CNN (@CNN) November 4, 2016 Question: when did obama refer to reality tv shows Answer: during the 2016 campaign

Ex Output:
yes


Ex Input:
Context: #ChangeBeginsWithMe but #LeadershipBeginsWithYou cut your bloated salaries.Reform the structure of government.Sell those jets.Then come back— Damocles (@Damocleansword) September 8, 2016 Question: what does she say to do instead? Answer: mock them for their ignorance

Ex Output:

no