Task: Instance Class Understanding (ontology: Business_Finance/Financial_Industry_Business_Ontology)

Which of the following classes does 'closed trade' belong to as one valid explicit type? Context: stage in the lifecycle of a trade indicating that the trade has been finalized, and that there is no longer a corresponding open position on the books of the trader, eliminating any exposure

A. lifecycle event
B. supplemental address component
C. trade lifecycle stage
D. supplemental address designator

Answer: trade lifecycle stage