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

The property 'identifier issued by' applies to instances of 'tranched m b s instrument', and 'non agency p o tranche' is a subclass of 'tranched m b s instrument'. Which class can appear as the value of 'identifier issued by' for instances of 'non agency p o tranche'?

A. assess pool suitability for issuance
B. primary identifier issuer
C. allocate primary identifier
D. draw up offering memorandum

Answer: primary identifier issuer