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: @POCX100 Please don't sulk over your defeat. Come on. Head up!

SOLUTION: Not sad

PROBLEM: Looking for good news today...not finding any on Twitter. Bummer. 😢 #depressing #badnews

SOLUTION: Sad

PROBLEM: @BillMoyersHQ Elderly belong w/family; our social system is broken.  This egregious 'Meancare' will shake it up, alas.

SOLUTION:
Sad