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

The property 'P17 was motivated by' applies to instances of 'E7 Activity', and 'E85 Joining' is a subclass of 'E7 Activity'. Which class can appear as the value of 'P17 was motivated by' for instances of 'E85 Joining'?

A. E39 Actor
B. E70 Thing
C. E1 CRM Entity
D. E53 Place

Answer: E1 CRM Entity