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: I'm strong 'cause I'm weak\nI'm beautiful 'cause I know my flaws\nI'm fearless 'cause I've been afraid\nI can laugh 'cause I've known sadness..

SOLUTION: Sad

PROBLEM: Do not grow weary in doing good. The treadlines are better than deadlines.' @billclinton #CGI2016

SOLUTION: Not sad

PROBLEM: Wanting to leave this planet, listening to what gets radio-play #grim

SOLUTION:
Sad