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: I'm a selfish person and a mean daughter...I guess there are some things you never grow out of  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: Ooh look who seems to be working tonight... way to go twitter!  Question: is it a negative tweet?

Ex Output:
no


Ex Input:
Tweet: @102megan Hard to say - it's changing too fast!    26-12 to the Cowboys... Question: is it a positive tweet?

Ex Output:

yes