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

The property 'Contract or procedure extinction' applies to instances of 'Public contract', and 'Mixed contract' is a subclass of 'Public contract'. Which class can appear as the value of 'Contract or procedure extinction' for instances of 'Mixed contract'?

A. Concept
B. Contract or procedure extinction
C. Contract additional obligations
D. Contract object

Answer: Contract or procedure extinction