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: Omg just got twitter on my phone! Haha  Question: is it a positive tweet?

Ex Output:
yes


Ex Input:
Tweet: I'm so STUPID !! argh I wish it could change  Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: can't wait to go home for the beef and mushroom pasta i made earlier!  plus a ham sandwich with lettuce!!! eeeek!!! Question: is it a negative tweet?

Ex Output:

no