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: i'm lonely  Question: is it a negative tweet?

SOLUTION: yes

PROBLEM: Tweet: watched Skins for about three hours, so now i can go to bed...goodnight twitter!  Question: is it a positive tweet?

SOLUTION: yes

PROBLEM: Tweet: is depressed, lonely, and just feeling poopy  Question: is it a positive tweet?

SOLUTION:
no