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

The property 'P51i is former or current owner of' applies to instances of 'E39 Actor', and 'E21 Person' is a subclass of 'E39 Actor'. Which class can appear as the value of 'P51i is former or current owner of' for instances of 'E21 Person'?

A. E18 Physical Thing
B. E64 End of Existence
C. E5 Event
D. E10 Transfer of Custody

Answer: E18 Physical Thing