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

The property 'has lockout period' applies to instances of 'call feature', and 'partial call feature' is a subclass of 'call feature'. Which class can appear as the value of 'has lockout period' for instances of 'partial call feature'?

A. municipal debt source of funds
B. municipal debt funds usage
C. bond with warrant
D. date period

Answer: date period