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: hay @jason_mraz i haven't buy your cd compilation because it's too expensive  but i want to hear that Question: is it a negative tweet?

SOLUTION: yes

PROBLEM: Tweet: winter is truly here! It's cold &amp; raining  perfect day for eurovision re-runs, pies &amp; blankies Question: is it a negative tweet?

SOLUTION: yes

PROBLEM: Tweet: @ColoneLargeKok  I am not. Question: is it a positive tweet?

SOLUTION:
no