(subclass EmergencyVehicle PoweredVehicle) | Transportation.kif 1887-1887 | EmergencyVehicle est une sous-classe de PoweredVehicle |
(subclass EmergencyRoadVehicle EmergencyVehicle) | Transportation.kif 1891-1891 | EmergencyRoadVehicle est une sous-classe de EmergencyVehicle |