(subclass SwimmingPool FluidContainer) | Mid-level-ontology.kif 4721-4721 | Swimming pool is a subclass of fluid container |
(subclass SwimmingPool StationaryArtifact) | Mid-level-ontology.kif 4722-4722 | Swimming pool is a subclass of stationary artifact |
(subclass HeatedPool SwimmingPool) | Mid-level-ontology.kif 26823-26823 | Heated pool is a subclass of swimming pool |