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

Which of the following classes does 'NYSE Holdings' belong to as one valid explicit type? Context: NYSE Holdings functional entity that through its subsidiaries, operates stock exchanges, including the New York Stock Exchange (NYSE), NYSE Arca, Inc., and NYSE MKT LLC in the United States; and European based exchanges comprising Euronext N.V. - the London, Paris, Amsterdam, Brussels, and Lisbon stock exchanges, as well as the NYSE Liffe derivatives markets in London, Paris, Amsterdam, Brussels, and Lisbon

A. legally delegated authority
B. holding company
C. broker-dealer
D. merchant

Answer: holding company