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

The property 'has first coupon payment date' applies to instances of 'coupon payment terms', and 'variable coupon terms' is a subclass of 'coupon payment terms'. Which class can appear as the value of 'has first coupon payment date' for instances of 'variable coupon terms'?

A. first regular coupon date
B. explicit date
C. redemption schedule
D. partial redemption allocation convention

Answer: explicit date