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

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

A. Contract economic conditions
B. Contracting body agreement
C. Contract object
D. Contract procedure

Answer: Contract procedure