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: @TzafrirR Why not use an airplane?  Question: is it a positive tweet?
[EX A]: no

[EX Q]: Tweet: Still on the conference call, been 50mins, was only supposed to be 30 max and it's not sounding like ending any time soon  Question: is it a positive tweet?
[EX A]: no

[EX Q]: Tweet: Last graduation practice  done! Question: is it a negative tweet?
[EX A]:
no