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

The property 'has primary federal regulator' applies to instances of 'financial service provider', and 'clearing house' is a subclass of 'financial service provider'. Which class can appear as the value of 'has primary federal regulator' for instances of 'clearing house'?

A. Federal Reserve district identifier
B. primary federal regulator
C. Federal Reserve district
D. federal government entity

Answer: primary federal regulator