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: @AlaskaAir as a long time Gold &amp; near Million mile member just had a terrible customer service experience #disappointing
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: Paul Ehrlich said that humanity is a threat to all life. Such great news to start the day. If I could blush I would.
Example Output:
Not sad