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

The property 'has unit issuer' applies to instances of 'collective investment vehicle', and 'equity fund' is a subclass of 'collective investment vehicle'. Which class can appear as the value of 'has unit issuer' for instances of 'equity fund'?

A. fund depositary
B. unit issuer
C. fund data provider
D. fund prospectus

Answer: unit issuer