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: watched Skins for about three hours, so now i can go to bed...goodnight twitter!  Question: is it a positive tweet?
yes

Tweet: At ericas house  Question: is it a negative tweet?
no

Tweet: its sad to see that Ms. fawcett passed today  she will be missed  Question: is it a positive tweet?

no