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

The property 'has last notice date' applies to instances of 'settlement terms', and 'derivative settlement terms' is a subclass of 'settlement terms'. Which class can appear as the value of 'has last notice date' for instances of 'derivative settlement terms'?

A. calculation agent
B. explicit date
C. cashflow formula
D. unique product identifier registry entry

Answer: explicit date