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: We're in contained depression. Only new economic engine is #Sustainability, say Joel @makower + @markmykleby @ #VERGEcon. #NewGrandStrategy

SOLUTION: Sad

PROBLEM: But is it your fault you worked hard and stayed the course until eventually it all paid off, no! so let it be known and count up!

SOLUTION: Not sad

PROBLEM: Hating this already 😟

SOLUTION:
Sad