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: LORD MAKE ME AN INSTRUMENT OF YOUR PEACE — Where there's hate, let me sow love — Where there's injury, pardon — Where there's despair, hope

SOLUTION: Sad

PROBLEM: I've had cleaner shits than some trains I've been on! This mornings seat looks like a miniature patterned crack den! #grim

SOLUTION: Sad

PROBLEM: Only God knows why things happen, sometimes it's just hard to understand.  #prayingforyou

SOLUTION:
Sad