Task: Property Constraint Reasoning (ontology: Business_Finance/Financial_Industry_Business_Ontology)

The property 'has date of birth' applies to instances of 'person', and 'legal working age person' is a subclass of 'person'. Which class can appear as the value of 'has date of birth' for instances of 'legal working age person'?

A. date of birth
B. driver's license identification scheme
C. legal age
D. legal working age

Answer: date of birth