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: Worrying about my brother  Question: is it a positive tweet?

SOLUTION: no

PROBLEM: Tweet: @trekei Megs: I second that  Question: is it a negative tweet?

SOLUTION: yes

PROBLEM: Tweet: Looks like #8 won't happen till at least 2012  Question: is it a positive tweet?

SOLUTION:
no