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

Which of the following classes does 'XNAS - GOOG' belong to as one valid explicit type? Context: ticker symbol for Alphabet Inc. class C capital stock listed in the Nasdaq (NASDAQ-NGS)

A. geographic directional symbol
B. ticker symbol
C. entity legal form identifier
D. party role identifier

Answer: ticker symbol