Task: Property Constraint Reasoning (ontology: Earth_Environment/EnvironmentOntology)

The property 'has part that occurs in' applies to instances of 'occurrent', and 'spatiotemporal region' is a subclass of 'occurrent'. Which class can appear as the value of 'has part that occurs in' for instances of 'spatiotemporal region'?

A. piece(s) of animal
B. convective
C. independent continuant
D. animal material

Answer: independent continuant