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.

Example Input: That new Kask aero helmet is grim. Especially in yellow. Looks like a safety hard hat ... #TDF #healthandsafety
Example Output: Not sad

Example Input: So tired. All these freshies and all i'm unhappy at are these volunteers.
Example Output: Sad

Example Input: So grim being up at 6
Example Output:
Sad