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: Damn! Does this mean they wont be doing sexify from there anymore?   NO FAIR! Question: is it a negative tweet?

Ex Output:
yes


Ex Input:
Tweet: It's really hot outside, but i've to learn for my testweek  Question: is it a positive tweet?

Ex Output:
no


Ex Input:
Tweet: Woohoooo xD Slept like 5 hours or so  but had breakfast and Aly and andy just left. Kai, Tiffy and nicki r still sleeping xD Kickass night Question: is it a positive tweet?

Ex Output:

yes