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: hay @jason_mraz i haven't buy your cd compilation because it's too expensive  but i want to hear that Question: is it a negative tweet?
yes

Tweet: At work  Question: is it a positive tweet?
no

Tweet: @EvilNanny why thank you  I'll do mine when I get the laptop out, will make sure you get a personal one now ;) x Question: is it a negative tweet?

no