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

The property 'P51 has former or current owner' 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 'P51 has former or current owner' for instances of 'E26 Physical Feature'?

A. E5 Event
B. E39 Actor
C. E70 Thing
D. E4 Period

Answer: E39 Actor