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: @JFoundation Thx for the rather lovely followfriday - ask away, I'm friendly (mostly) ;) Whatever you feel you need to know!  Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: I hardly dare to say it, but... I hate Greek at the moment. *shock* It's just way too much. I can't get this all in my head.  Question: is it a positive tweet?

Ex Output:
no


Ex Input:
Tweet: is still on the wagon.  Question: is it a positive tweet?

Ex Output:

yes