Task: Inferred Instance Class Reasoning (ontology: Business_Finance/Financial_Industry_Business_Ontology)

After reasoning over the ontology, which class is one valid inferred class for the instance 'NYSE Dark'? Context: NYSE Dark segment-level market that is a segment of the NYSE involved in trading of dark pools

A. alternative trading system
B. systematic internaliser
C. designated contract market
D. off-market facility

Answer: alternative trading system