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: HTC Hero is here (in europe   ) [Link] Question: is it a negative tweet?

A: yes
****
Q: Tweet: My Twitter Mobile is back... but now my tweetdeck is dead  Stupid World! Question: is it a positive tweet?

A: no
****
Q: Tweet: Ã³, merchan novo do Faith No More  yey. Question: is it a positive tweet?

A:
yes
****