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

Which of the following classes does 'front' belong to as one valid explicit type? Context: side or part of a building that presents itself to view first, that faces the street; the most forward part of a building

A. request activity
B. secondary unit designator
C. quantity kind
D. primary address number

Answer: secondary unit designator