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: watched Skins for about three hours, so now i can go to bed...goodnight twitter!  Question: is it a positive tweet?
[A]: yes


[Q]: Tweet: nice and tan from my vacation .. back in nyc and back to work  Question: is it a negative tweet?
[A]: yes


[Q]: Tweet: He just keep s on talking, THIS IS HOW MARKETING WAS DONE 10 YEARS AGO, BUT NOT TODAY  ,I feel sorry for him Question: is it a negative tweet?
[A]:
yes