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: Too many gloomy days

SOLUTION: Sad

PROBLEM: It's easy to #fall #asleep in class, but hard to in bed. #True #sober #whileyouweresleeping #insomnia #TeamFollowBack #RockTheReTweet

SOLUTION: Sad

PROBLEM: @ComfortablySmug @allahpundit Exactly, we are supposed to believe what a Russian operative in American soil says. Beyond depressing.

SOLUTION:
Sad