In this task, you are given a text from tweets and a boolean question whether this tweet has positive sentiment or negative sentiment. Your task is to generate answer "yes" when the tweet has that particular sentiment, otherwise generate answer "no".

Ex Input:
Tweet: @_laertesgirl It's not as good as Mr C tho  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: I now have 14 strips of nine different color families, and I'm about to begin the center star.    Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: @TaylaMcCloud how about stephen mulheren?!  Question: is it a positive tweet?

Ex Output:

no