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: the man was staring at him intensely, not smiling but not frowning either. just looking at him. 'you should sleep some more' the man says
Example Output: Sad

Example Input: Not sure if Christianity lost Eugene Peterson or Eugene Peterson was never really understood the Gospel 
Example Output: Not sad

Example Input: Nature looks a lot greener on gloomy dayz
Example Output:
Sad