Task: Class Definition Understanding (ontology: Arts_Media_Entertainment/Propp)

Which of the following best describes the class 'Proppian_Function' ?

A. A villainy or other form of evil behaviour introduces the complication and starts the course of action for the future hero.
B. A class representing the narrative theory of Wladimir Propp's morphology, with their original numbering, naming, and class symbols.
C. The donor is introduced to the tale; after a form of test, he or she provides the hero with a magical agent or an ability to help with the task.
D. Functions that describe how the hero fights the villain and overcomes the lack or villainy the villain imposed on him or her.

Answer: A class representing the narrative theory of Wladimir Propp's morphology, with their original numbering, naming, and class symbols.