Task: Property Semantics Understanding (ontology: Business_Finance/public_contracts_ontology)

Which of the following is a valid range for the data property 'Estimated end date of contract'?

A. <class 'owlready2.util.normstr'>
B. <class 'datetime.timedelta'>
C. <class 'datetime.date'>
D. <class 'datetime.datetime'>

Answer: <class 'datetime.date'>