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

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

A. Accepted tender
B. Procedure void
C. Public contract
D. Briefing

Answer: Public contract