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

Example Input: @mikepicone55 Heeheeee. 😆 I'm at the point where both can happen simultaneously. It's very disappointing.
Example Output: Sad

Example Input: @LucidBurrito Doesnt do it to anyone else, he literally pulled me into the office cause someone complained I spit in the sink yesterday
Example Output:
Sad