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.

[Q]: whenever I hear concert postponed I think of dismal ticket sales   green day ?
[A]: Sad


[Q]: @British_Airways just came of BA6426 at @ortambo_int at least 6 passengers with broken bags. This was a new suitcase. #unhappy customer
[A]: Sad


[Q]: going to sleep was a bad idea i had a horrible nightmare abt what i hate the most in a nightmare but its fine im ok
[A]:
Sad