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: Have to go to a occupational services place for a drug test. Yet they don't know what the heck is going on. Just great! #blah #😡

SOLUTION: Sad

PROBLEM: @theflabar It's a #foggy and #dark morning here - so #filter this time.  For #lighting purposes. :)

SOLUTION: Sad

PROBLEM: @FangornForest1 @Brexit whose customers love it. Imagine being a hack these days, having to sing the tune the paymaster calls. #dismal

SOLUTION:
Sad