TASK DEFINITION: In this task you are given a tweet. You must judge whether the author of the tweet is sad or not. Label the instances as "Sad" or "Not sad" based on your judgment. You can get help from hashtags and emojis, but you should not judge only based on them, and should pay attention to tweet's text as well.
PROBLEM: It's dark

SOLUTION: Sad

PROBLEM: Obama and Biden would have watched the #Eclipse2017 together and Pete would have shared an awesome photo of them in their glasses. #cry

SOLUTION: Sad

PROBLEM: Let me ask you a question:\n\nDid you REALLY just let #worry be your first response?\n\n#blink #breathe #startover #getchafaithup

SOLUTION:
Not sad