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 'BOERSE BERLIN EQUIDUCT TRADING - FREIVERKEHR market segment-level market identifier'?

A. regulation identifier
B. currency identifier
C. contextual identifier
D. market identifier

Answer: market identifier