Task: Property Constraint Reasoning (ontology: Arts_Media_Entertainment/CIDOC_CRM)

The property 'P49 has former or current keeper' applies to instances of 'E18 Physical Thing', and 'E26 Physical Feature' is a subclass of 'E18 Physical Thing'. Which class can appear as the value of 'P49 has former or current keeper' for instances of 'E26 Physical Feature'?

A. E39 Actor
B. E5 Event
C. E2 Temporal Entity
D. E97 Monetary Amount

Answer: E39 Actor