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

The property 'P67 refers to' applies to instances of 'E89 Propositional Object', and 'E30 Right' is a subclass of 'E89 Propositional Object'. Which class can appear as the value of 'P67 refers to' for instances of 'E30 Right'?

A. E92 Spacetime Volume
B. E4 Period
C. E3 Condition State
D. E1 CRM Entity

Answer: E1 CRM Entity