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: @tiffyoung - Hello babe! Yessss, you're the only other nettie on Twitter. None of them are!  Question: is it a positive tweet?

Ex Output:
no


Ex Input:
Tweet: @happy9irl &quot;evil laugh&quot;...when it's from the wife we not only look over our shoulder but instinctive cringe. Meany.  Question: is it a negative tweet?

Ex Output:
no


Ex Input:
Tweet: @reflector maybe in two years!  Question: is it a negative tweet?

Ex Output:

yes