(subclass Oil CompoundSubstance) | Mid-level-ontology.kif 8808-8808 | |
(subclass PetroleumProduct Oil) | Mid-level-ontology.kif 1677-1677 | |
(subclass AnimalFat Oil) | Food.kif 2871-2871 | |
(subclass ButterFat Oil) | Food.kif 2930-2930 | |
(subclass OilFromPlant Oil) | Economy.kif 4526-4526 |