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

The property 'has guarantor' applies to instances of 'contract', and 'mutual contractual agreement' is a subclass of 'contract'. Which class can appear as the value of 'has guarantor' for instances of 'mutual contractual agreement'?

A. guarantor
B. joint guaranty
C. negative pledge
D. guaranty

Answer: guarantor