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: @djsantero I'm feeling bad for the family dog.  #nightmare

SOLUTION: Sad

PROBLEM: Don't ever grow weary doing good....Don't just see the headlines; look at the trend lines for hope.' @billclinton #CGI2016

SOLUTION: Not sad

PROBLEM: Are you #depressed? There is #hope. Keep going #forward and don't give up. There's always a reason to keep going - find it 

SOLUTION:
Sad