| (subclass Hydrocarbon OrganicCompound) | Mid-level-ontology.kif 8582-8582 | Hydrocarbon は OrganicCompound の subclass では %n |
| (subclass Rubber Hydrocarbon) | Mid-level-ontology.kif 9181-9181 | Rubber は Hydrocarbon の subclass では %n |
| (subclass Plastic Hydrocarbon) | Mid-level-ontology.kif 9194-9194 | Plastic は Hydrocarbon の subclass では %n |
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