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: Never mind swine flu, looks like I might be in for a dose of chicken pox  Question: is it a negative tweet?

SOLUTION: yes

PROBLEM: Tweet: just returned from BNI - KB great job  - but now removing axe from back, 1 member I think hates me Question: is it a positive tweet?

SOLUTION: yes

PROBLEM: Tweet: @stellery Happy birthday!   Question: is it a positive tweet?

SOLUTION:
yes