Task: Instance Class Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following classes does 'Citibank N.A. legal address' belong to as one valid explicit type? Context: registration address that is identified as a legal address for Citibank N.A. (National Association)

A. measurement reference
B. physical address
C. reference value
D. reference material

Answer: physical address