TASK DEFINITION: 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".
PROBLEM: Tweet: cleveland is not giving up without a fight. YEAH CAVS!!!  Question: is it a positive tweet?

SOLUTION: yes

PROBLEM: Tweet: Has finally mastered the art to uploading a photo on said Twitter. You can no longer assume I'm a heffer  Question: is it a positive tweet?

SOLUTION: yes

PROBLEM: Tweet: is sad that he has to go to work and will miss the Roland Garros men's final between Roger Federer and Robin Soderling  Question: is it a negative tweet?

SOLUTION:
yes