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".
--------
Question: Tweet: Home from vacation...wow I'm burnt  Question: is it a negative tweet?

Answer: yes


Question: Tweet: update 1,001  Good morning everyone! Question: is it a negative tweet?

Answer: no


Question: Tweet: I hope @denisepagulayan will really buy me the iPod Touch!! Pleaseee  Question: is it a negative tweet?

Answer:
yes