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

The property 'has ex-dividend date' applies to instances of 'share', and 'preferred share' is a subclass of 'share'. Which class can appear as the value of 'has ex-dividend date' for instances of 'preferred share'?

A. explicit date
B. voting right
C. adjustable rate dividend
D. special dividend

Answer: explicit date