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

The property 'P20i was purpose of' applies to instances of 'E5 Event', and 'E64 End of Existence' is a subclass of 'E5 Event'. Which class can appear as the value of 'P20i was purpose of' for instances of 'E64 End of Existence'?

A. E13 Attribute Assignment
B. E7 Activity
C. E28 Conceptual Object
D. E18 Physical Thing

Answer: E7 Activity