I am not sure if this is what you're asking for, but I'll give it a shot!
Graffiti is considered a subject matter, because it vandalized private property, and causes employees or other people to clean up after someone else's mess.
Answer:
Maybe bear-baiting but a human in place of the bear.
Explanation:
Google says that bear-baiting is "is a blood sport involving the worrying or tormenting (baiting) of bears. It may involve pitting a bear against another animal."
I hope you can formulate an idea around this. Good luck with your homework
It should be A. good luck
Chaos, irrationality, spontaneity