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

The property 'is underwritten by' applies to instances of 'securities offering', and 'best efforts offering' is a subclass of 'securities offering'. Which class can appear as the value of 'is underwritten by' for instances of 'best efforts offering'?

A. underwriter
B. convertible security
C. security underwriter
D. security

Answer: underwriter