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

Which of the following best defines the concept 'Task' ?

A. A concept appearing in a tale that corresponds to one or more Proppian functions.
B. A concept that is explicitly or implicitly proposed to the hero.
C. A classification system for folktale categories.
D. A version identifier for the ontology.

Answer: A concept that is explicitly or implicitly proposed to the hero.