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".

Tweet: Yuck!  @nattyluv's beer tastes likes Dimetapp.    Raspberry Hefe.  Why @Schlafy? Question: is it a positive tweet?
no

Tweet: Fuck off, Â£25 for OCS!? And it ain't even anywhere I can get guestlist  Question: is it a positive tweet?
no

Tweet: [Link]  wooo!! vote for David every 2o mins!!  Question: is it a negative tweet?

no