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".

[EX Q]: Tweet: @Rappelz_Game  - wish i could get harpy to try it out  Question: is it a positive tweet?
[EX A]: yes

[EX Q]: Tweet: @lands4er - Thank you!  Question: is it a positive tweet?
[EX A]: yes

[EX Q]: Tweet: @Kaugomu ... I don't know how to use my sewing machine.  Question: is it a negative tweet?
[EX A]:
no