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

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

A. ordinary dividend
B. explicit date
C. precedence right
D. preferred dividend

Answer: explicit date