Task: Class Definition Understanding (ontology: Legal/Public_Procurement_Ontology)

Which of the following definitions best describes 'Concession contract'?

A. Class of the contracts in which the awarded tenderer manage the public service themselves.
B. Class describing the contract concerts with natural or legal person performing similar services at the public service in question.
C. Class describing the contracts where the contracting authority participates concurrently with the natural or legal person.
D. Class describing contracts whose operation results are shared among the contracting authority and the tenderer.

Answer: Class of the contracts in which the awarded tenderer manage the public service themselves.