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

The property 'is guaranteed by' applies to instances of 'guaranty', and 'negative pledge' is a subclass of 'guaranty'. Which class can appear as the value of 'is guaranteed by' for instances of 'negative pledge'?

A. insurer
B. guarantor
C. insurance policy
D. letter of credit guaranty

Answer: guarantor