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: A 20-year-old female has become the first swine flu fatality in San Diego County. (via @SanDiego6) - dang, only 20yo...  Question: is it a positive tweet?

Answer: no


Question: Tweet: so much for the mossy drink- mom and dad came home  but i feel like reading my book tonite anyways... so GoOdNiGhT ALL !! Question: is it a negative tweet?

Answer: yes


Question: Tweet: @laurabergerol Thanks for the follow  Question: is it a negative tweet?

Answer:
no