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.

Input: Consider Input: @chelseafc let them know it's the #blues

Output: Sad


Input: Consider Input: When you should be working, but you're shopping amazon prime deals instead... 😦

Output: Not sad


Input: Consider Input: Did you know apples turn brown when a enzyme called polyphenol oxidase reacts with oxygen! Well I do #dull #applefacts 🤓🍏


Output: Not sad