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: Paul Ehrlich said that humanity is a threat to all life. Such great news to start the day. If I could blush I would.

SOLUTION: Not sad

PROBLEM: Love it when @JenniferHorn is laughing as hard at @brianwhitman's rif as I am! 😂 #crying 🤣🤣 #chateaubriand @MorningAnswerLA

SOLUTION: Not sad

PROBLEM: If you #invest in my new #film I will stop asking you to invest in my new film. #concessions #crime #despair #shortsightedness #celebrities

SOLUTION:
Sad