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

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

A. transient tracer
B. enzyme inhibitor
C. independent continuant
D. Lewis acid

Answer: independent continuant