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

Answer: yes


Question: Tweet: @Kaugomu ... I don't know how to use my sewing machine.  Question: is it a negative tweet?

Answer: no


Question: Tweet: @alwayssmiling yeah~it is. really! Do you like that song? I love it,though!  Question: is it a negative tweet?

Answer:
no