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: I missed the bl***y bus!!!!!!!!    Question: is it a negative tweet?
yes

Tweet: @JFoundation Thx for the rather lovely followfriday - ask away, I'm friendly (mostly) ;) Whatever you feel you need to know!  Question: is it a positive tweet?
yes

Tweet: @fizzy_fizah That doesn't sound goo  Question: is it a negative tweet?

yes