Task: Property Constraint Reasoning (ontology: Business_Finance/Financial_Industry_Business_Ontology)

The property 'has third party' applies to instances of 'contract', and 'unilateral contract' is a subclass of 'contract'. Which class can appear as the value of 'has third party' for instances of 'unilateral contract'?

A. transferable contract
B. contract third party
C. contractual commitment
D. breach of contract

Answer: contract third party