Task: Instance Class Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following classes does 'Valoren scheme' belong to as one valid explicit type? Context: national security identification scheme used to identify equity and debt securities in Switzerland, Liechtenstein and Belgium for the purposes of facilitating clearing and settlement of trades

A. national security identification scheme
B. contextual identification scheme
C. indexing scheme
D. passport number identification scheme

Answer: national security identification scheme