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: has a crippled shoulder that hurts like hell!  Question: is it a positive tweet?
no

Tweet: Looks like #8 won't happen till at least 2012  Question: is it a negative tweet?
yes

Tweet: okay, im not going to be a twiter active person, cus i duno how to use my hp to send. DANG! so dun expect anything frm me... sorries  Question: is it a positive tweet?

no