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 'CBOE Global Markets, Inc. business entity identifier'? Context: Delaware Division of Corporations business entity identifier for CBOE Global Markets, Inc.

A. employer identification number
B. business identifier code
C. registration identifier
D. value-added tax identification number

Answer: registration identifier