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: @winsomewords umm... close safari and open it again perhaps?  Question: is it a negative tweet?
[A]: yes


[Q]: Tweet: has a really really sore throat  Question: is it a positive tweet?
[A]: no


[Q]: Tweet: just saw a tv program on NHK....Osaka people are cool  Question: is it a positive tweet?
[A]:
yes