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: Posted about Twitter on A4U, now posting on Twitter this comment so people clicking the link from A4U see it and think WTF LOL  Question: is it a positive tweet?

Ex Output:
yes


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

Ex Output:
no


Ex Input:
Tweet: had nice time with katie and steve last night  them bubble gum after shoots was fab a roo  Question: is it a negative tweet?

Ex Output:

no