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 'XLOM - 0R2V'? Context: ticker symbol for Apple Inc. common stock listed in the London Stock Exchange

A. tax identifier
B. structured identifier
C. driver's license identifier
D. reassignable identifier

Answer: reassignable identifier