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: @McDonaldsUK just went to burger king... 25p surcharge for using my card! Outrageous! #unhappy

SOLUTION: Sad

PROBLEM: @DavidLammy This kind of abuse is UNBELIEVABLE and an absolute disgrace. It makes me sad to see this #dismayed

SOLUTION: Sad

PROBLEM: So now I have to buy a whole new computer 

SOLUTION:
Not sad