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

Which of the following classes does 'Citibank, N.A. incorporation date' belong to as one valid explicit type? Context: date that Citibank, N.A. (National Association) was first incorporated in the State of Delaware

A. recurrence interval
B. explicit date
C. relative date
D. date time

Answer: explicit date