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 should have known...  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: @AZTRAYLOR that's the one!  I'm gone now.  Didn't see them  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: Bummer, this book sale was not nearly as successful as the last one  Question: is it a positive tweet?

Ex Output:

no