(subclass Rubber PlantSubstance) | Mid-level-ontology.kif 9180-9180 | Rubber は PlantSubstance の subclass では %n |
(subclass Rubber BodySubstance) | Mid-level-ontology.kif 9181-9181 | Rubber は 体物質 の subclass では %n |
(subclass Rubber Hydrocarbon) | Mid-level-ontology.kif 9182-9182 | Rubber は Hydrocarbon の subclass では %n |