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 'XNYS - C'? Context: ticker symbol for Citigroup Inc. common stock listed on the New York Stock Exchange (NYSE)

A. funds identifier
B. product identifier
C. precious metal identifier
D. reassignable identifier

Answer: reassignable identifier