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:
@BlurtAlerts 'the darkest of nights can be bright, the solemn of faces lights up with a smile'. -@Totemprince believe in me, as I do in you

Ex Output:
Not sad


Ex Input:
@iamsiroberts Go and see the hell hole which is Halton, now that'll depress you.

Ex Output:
Sad


Ex Input:
Do not grow weary of doing good' a lasting legacy @billclinton @ClintonGlobal #CGI2016 #thankfulmoment @ProjectThankful

Ex Output:

Not sad