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

The property 'has obligor' applies to instances of 'securities underwriting issuance process', and 'debt underwriting issuance process' is a subclass of 'securities underwriting issuance process'. Which class can appear as the value of 'has obligor' for instances of 'debt underwriting issuance process'?

A. obligor
B. servicer
C. issuance crediting participant
D. trustee

Answer: obligor