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 can't sleep  This always happens when I'm away from my own bed. Question: is it a positive tweet?

SOLUTION: no

PROBLEM: Tweet: It's late, it's dark, I'm going to bed  Question: is it a positive tweet?

SOLUTION: yes

PROBLEM: Tweet: Just been looking at some northern hemisphere blogs, so jealous it's summer there  Question: is it a negative tweet?

SOLUTION:
yes