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

Which of the following classes does 'Federal Reserve eighth district identifier' belong to as one valid explicit type? Context: identifier for the eighth district of the Federal Reserve, which represents the district governed by the Federal Reserve Bank of St. Louis

A. business center code
B. Federal Reserve district identifier
C. region-specific identifier
D. statistical area identifier

Answer: Federal Reserve district identifier