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

The property 'is denominated in' applies to instances of 'financial instrument', and 'commodity instrument' is a subclass of 'financial instrument'. Which class can appear as the value of 'is denominated in' for instances of 'commodity instrument'?

A. currency
B. credit facility
C. promissory note
D. underlier

Answer: currency