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

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

A. ledger entry
B. economic contract
C. contractual transaction
D. covered transaction

Answer: ledger entry