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: @MariaL04 welcome home  we missed ya! ): Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: watched Skins for about three hours, so now i can go to bed...goodnight twitter!  Question: is it a positive tweet?

Ex Output:
yes


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 positive tweet?

Ex Output:

yes