(subclass DomesticCat DomesticAnimal) | Mid-level-ontology.kif 20081-20081 | Domestic cat is a subclass of domestic animal |
(subclass DomesticCat Feline) | Mid-level-ontology.kif 20082-20082 | Domestic cat is a subclass of feline |
(subclass Kitten DomesticCat) | Mid-level-ontology.kif 20086-20086 | Kitten is a subclass of domestic cat |