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: @TrueRyuga I tore my MLC playing football in HS. Knees are serious business. Take care of them! Lemme know if you need anything.
Example Output: Not sad

Example Input: @JohnWildy71 something, too confused to type an entire word 😜 See, I can laugh again. My hour of sadness has almost passed
Example Output: Not sad

Example Input: @MHChat I think sadness is felt very strongly physically and mentally.  It feels like it takes over and it's hard to focus at work #MHChat
Example Output:
Sad