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

Which of the following definitions best describes the instance 'market category classifier - ATSS'?

A. market category classifier for a designated contract market
B. market category classifier for an interdealer quotation system
C. market category classifier for an alternative trading system
D. market category classifier for a trade reporting facility

Answer: market category classifier for an alternative trading system