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

The property 'has primary holder' applies to instances of 'tranched m b s instrument', and 'non agency i o tranche' is a subclass of 'tranched m b s instrument'. Which class can appear as the value of 'has primary holder' for instances of 'non agency i o tranche'?

A. m b s securitization end
B. primary investor
C. pool ready for issue
D. ratings agency

Answer: primary investor