(subclass BathTub BathingDevice) | Mid-level-ontology.kif 2048-2048 | Tub is a subclass of bathing device |
(subclass BathTub FluidContainer) | Mid-level-ontology.kif 2049-2049 | Tub is a subclass of fluid container |
(subclass GrecianTub BathTub) | Mid-level-ontology.kif 26538-26538 | Grecian tub is a subclass of tub |