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

Which of the following classes does 'BBG000FY4VG8' belong to as one valid explicit type? Context: Financial Instrument Global Identifier (FIGI) for Citigroup Inc. common shares listed in the New York Stock Exchange (NYSE)

A. bank account identifier
B. CUSIP International Numbering System (CINS) number
C. routing transit number
D. financial instrument global identifier

Answer: financial instrument global identifier