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: @GothicVampireQ i cant tell or it wouldnt be a secret anymore silly!  Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: @Thea_Smith Congrats on 1st sleep thru!! I always felt like the fog was lifting when any of my 'cherubs' starting to sleep thru the nite  Question: is it a negative tweet?

Ex Output:
no


Ex Input:
Tweet: @capemaybooks i see kitteh fwendz at the #bunday celeration  Question: is it a positive tweet?

Ex Output:

yes