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: If your nail polish has hardened or is gummy, place the bottle in a pan of boiling water. The polish will be like new.
Example Output: Not sad

Example Input: Rooneys fucking untouchable isn't he? Been fucking dreadful again, depay has looked decent(ish)tonight
Example Output: Sad

Example Input: @SkyUK not impressed by your customer support. Forcing customers to use fb chat or sms! Very slow. issue is not getting sorted 
Example Output:
Sad