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

Which of the following definitions best describes the instance 'XUA'?

A. the identifier for ADB Unit of Account
B. the identifier for Bond Markets Unit European Unit of Account 9 (E.U.A.-9)
C. the identifier for Bond Markets Unit European Monetary Unit (E.M.U.-6)
D. the identifier for Bond Markets Unit European Composite Unit (EURCO)

Answer: the identifier for ADB Unit of Account