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

The property 'is made as part of' applies to instances of 'undertaking', and 'undertaking event' is a subclass of 'undertaking'. Which class can appear as the value of 'is made as part of' for instances of 'undertaking event'?

A. revaluation
B. agreement
C. economic transaction
D. economic contract

Answer: agreement