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

The property 'has function' applies to instances of 'independent continuant', and 'material entity' is a subclass of 'independent continuant'. Which class can appear as the value of 'has function' for instances of 'material entity'?

A. one-dimensional continuant fiat boundary
B. function
C. role
D. quality assurance group

Answer: function