Given the task definition, example input & output, solve the new input case.
In this task you are given a tweet. You must judge whether the author of the tweet is happy or not. Label the instances as "Happy" or "Not happy" based on your judgment.
Example: Sometimes, you have to smile, pretend everything is okay, and just walk away.
Output: Not happy
The tweet author isn't happy.

New input case for you: A 'non-permissive environment' is also called a 'battleground' - #MilSpeak 
Output:
Not happy