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".

Q: 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?

A: yes
****
Q: Tweet: Thinking about reviewing the cracking drupal book. Need to get a copy first but my CC is over its limit  Question: is it a positive tweet?

A: no
****
Q: Tweet: #followfriday @yessy @Mr_Smike @PerroWOW @Cherry_Land @3rn3x @rkgarcia @xrandy  feliz viernes!! Question: is it a negative tweet?

A:
no
****