Task: Inferred Instance Class Reasoning (ontology: Business_Finance/Financial_Industry_Business_Ontology)

After reasoning over the ontology, which class is one valid inferred class for the instance 'NYSE Holdings'? 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. functional business entity
B. government
C. structural role
D. process role

Answer: functional business entity