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

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

A. settlement event
B. settlement
C. settlement convention
D. delivery method

Answer: delivery method