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

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

A. municipal trustee
B. bond bullet principal repayment terms
C. bond variable coupon
D. fixed coupon terms

Answer: municipal trustee