Task: Property Constraint Reasoning (ontology: Legal/ELI)

The property 'is about' applies to instances of 'Work', and 'Work Subdivision' is a subclass of 'Work'. Which class can appear as the value of 'is about' for instances of 'Work Subdivision'?

A. Concept
B. F10 Person
C. E39 Actor
D. Format type

Answer: Concept