| (subclass Hydrocarbon OrganicCompound) | Mid-level-ontology.kif 8583-8583 | Hydrocarbon は OrganicCompound の subclass では %n |
| (subclass Rubber Hydrocarbon) | Mid-level-ontology.kif 9182-9182 | Rubber は Hydrocarbon の subclass では %n |
| (subclass Plastic Hydrocarbon) | Mid-level-ontology.kif 9195-9195 | Plastic は Hydrocarbon の subclass では %n |
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