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: bummer  @kplawver  Today will probably be light on the twittering. The real world (well, the work world) requires all my attention today. Question: is it a positive tweet?

SOLUTION: no

PROBLEM: Tweet: work till 11  boo rather be out at the lake! Question: is it a positive tweet?

SOLUTION: no

PROBLEM: Tweet: @DoctorWatsonSx Morning  Question: is it a positive tweet?

SOLUTION:
yes