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Term 1: Term 2:

(subclass AirportClassification RelationalAttribute) Transportation.kif 1338-1338 Airport classification is a subclass of relational attribute
(subclass AirportByRunwaySurface AirportClassification) Transportation.kif 1347-1347 Airport by runway surface is a subclass of airport classification
(subclass CIAAirportLengthClassification AirportClassification) Transportation.kif 1380-1380 CIA airport length classification is a subclass of airport classification


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