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: Stupid dundee busses! 8mins late!! And over priced! I miss edinburgh  #fb Question: is it a negative tweet?
[EX A]: yes

[EX Q]: Tweet: @_laertesgirl It's not as good as Mr C tho  Question: is it a negative tweet?
[EX A]: yes

[EX Q]: Tweet: cant go  cos the weather is tipical london weather  dark and rain rain rain ( Question: is it a negative tweet?
[EX A]:
yes