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: Good morning! Got sooo sick last night. x_x But I think I'm fine now.  Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: I'm up but I don't want this day to start... It's only going to make me sad  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: Lasagne for dinner and then have to get to my daughter's fifth grade graduation ceremony.  My legs are shaky from being sick.  Question: is it a negative tweet?

Ex Output:

yes