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

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

A. underlying asset valuation
B. settlement terms
C. over-the-counter instrument
D. derivative terms

Answer: settlement terms