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: I stayed up all night to go to my friends house early in the morning, like in 2 hours and then he fell asleep. So wtf - guess it's time to 😪

SOLUTION: Sad

PROBLEM: 5 goals in 87 appearances last season between McKay, Holt and Windass! Simply is horrific! Get midfield balance sorted and team will fire!

SOLUTION: Sad

PROBLEM: Why do Liberal Americans spend so much time crying? And when they aren't crying they're burning the US flag or protesting! Embarrassing!😲😲🤧🤧

SOLUTION:
Sad