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

The property 'has trustee' applies to instances of 'trust', and 'irrevocable trust' is a subclass of 'trust'. Which class can appear as the value of 'has trustee' for instances of 'irrevocable trust'?

A. trust beneficiary
B. trust fund manager
C. testamentary trust
D. trustee

Answer: trustee