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: Wrinkles should merely hide where frown have been.  - Mark Twain
Example Output: Not sad

Example Input: No one wants to win the wild card because you have to play the Cubs on the road.  #sadness
Example Output: Sad

Example Input: A pessimist sees the difficulty in every opportunity, an optimist sees the opportunity in every difficulty' -Sir Winston Churchill-
Example Output:
Not sad