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: So Perez has lost his number 9 shirt. Arsenal's treatment of him is disgusting. Ashamed of the club.

SOLUTION: Sad

PROBLEM: Already plotting next steps if I get cut off by the same minivan in tomorrow's drop-off line. #preschoolpolitics #momthings #serious

SOLUTION: Not sad

PROBLEM: 1st shopping experience with @paytm, what a disappointment! Product still not shipped &amp; they might cancel the order now. #unhappy @Paytmcare

SOLUTION:
Sad