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.

Ex Input:
ACT 4 #anxiety &amp; #depression group. @livingwellihc beginning Mon October 17 for 6 weeks. Contact me to register now! #mindfulness #Halifax

Ex Output:
Sad


Ex Input:
@British_Airways just came of BA6426 at @ortambo_int at least 6 passengers with broken bags. This was a new suitcase. #unhappy customer

Ex Output:
Sad


Ex Input:
@OniLink86 @DarekMeridian lmao awe... 

Ex Output:

Not sad