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 'Citigroup Inc. common stock financial instrument short name'? Context: Citigroup Inc. common stock financial instrument short name (FISN)

A. code element
B. name
C. identifier
D. contextual designation

Answer: identifier