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

Which of the following classes does 'XNYS-listed The Proctor & Gamble Company common stock' belong to as one valid explicit type? Context: The Proctor & Gamble Company common share listed in the New York Stock Exchange (NYSE)

A. individual transaction
B. listing
C. ABA RTN registry entry
D. FDIC registry entry

Answer: listing