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(subclass Aircraft Vehicle) Mid-level-ontology.kif 17817-17817 Aircraft is a subclass of vehicle
(subclass Airplane Aircraft) Transportation.kif 2582-2582 Airplane is a subclass of aircraft
(subclass Rocket Aircraft) Transportation.kif 2592-2592 Rocket is a subclass of aircraft
(subclass GliderPlane Aircraft) Transportation.kif 2593-2593 Glider plane is a subclass of aircraft
(subclass MilitaryAircraft Aircraft) Military.kif 155-155 Military aircraft is a subclass of aircraft
(subclass Helicopter Aircraft) Mid-level-ontology.kif 17826-17826 Helicopter is a subclass of aircraft


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