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: @Makeleki Sugar Bread I neeeed to send you a song.  Question: is it a positive tweet?

Answer: yes


Question: Tweet: @Charleykins ^^) I can't wait till Tuesday!  xoxo Question: is it a negative tweet?

Answer: no


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

Answer:
yes