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: whenever I hear concert postponed I think of dismal ticket sales   green day ?

SOLUTION: Sad

PROBLEM: @pete_ferriday Aww rest your weary head here

SOLUTION: Not sad

PROBLEM: To #Wyoming: you have a beautiful state but your road signs, or lack thereof, are terrible. #lost

SOLUTION:
Sad