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 Input:
Tweet: @jonrussell wishful thinking or projection by men with &quot;yellow fever&quot; who can't understand the language &amp; take silence as agreement.  Question: is it a negative tweet?

Ex Output:
no


Ex Input:
Tweet: Love all the French Open trending topics! How civilized  Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: Cooks River Eco Festival was a fun coupla hours - hurrah for Marrickville Council  Question: is it a positive tweet?

Ex Output:

yes