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: Go to sleep. www.myspace.com/recycledamericamusic  Question: is it a negative tweet?

Ex Output:
no


Ex Input:
Tweet: yay adam lambert  he better win it allllllllllll Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: @IanRobinson 4 one when u pack one when leave the house another on route then lastly prior to check in.  Question: is it a negative tweet?

Ex Output:

no