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: @Lisa_Veronica I hope the tour is going great so far, I think I may take a trip out to NYC or binghamton to see you guys again! fave band  Question: is it a negative tweet?
[EX A]: no

[EX Q]: Tweet: @bapenguin - Thank you  Question: is it a negative tweet?
[EX A]: no

[EX Q]: Tweet: Stayed up all last night, in Melissas'. Talking about nothing ... So tired !!  Question: is it a negative tweet?
[EX A]:
yes