Task: Property Constraint Reasoning (ontology: Business_Finance/Occupation_Ontology)

The property 'has participant' applies to instances of 'occurrent', and 'process' is a subclass of 'occurrent'. Which class can appear as the value of 'has participant' for instances of 'process'?

A. zero-dimensional spatial region
B. occupation activity
C. continuant fiat boundary
D. continuant

Answer: continuant