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

Which of the following classes does 'Citicorp LLC RSSD identifier' belong to as one valid explicit type? Context: research statistics supervision discount identifier (RSSD ID), assigned by the Federal Reserve to Citicorp LLC

A. tract identifier
B. Research, Statistics, Supervision and Regulation, and Discount and Credit identifier
C. client identifier
D. program identifier

Answer: Research, Statistics, Supervision and Regulation, and Discount and Credit identifier