Task: Property Constraint Reasoning (ontology: Legal/Public_Procurement_Ontology)

The property 'Object of the contract' applies to instances of 'Public contract', and 'Extendable contract' is a subclass of 'Public contract'. Which class can appear as the value of 'Object of the contract' for instances of 'Extendable contract'?

A. Concept
B. Contract object
C. Tender
D. Contract bodies

Answer: Contract object