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

A: yes
****
Q: Tweet: [Link] merge la NetStartup ! See you there, guys !   Question: is it a negative tweet?

A: no
****
Q: Tweet: i really havent taken any photos recently  i really should! Question: is it a positive tweet?

A:
no
****