(subclass HumanChild HumanYouth) | Mid-level-ontology.kif 276-276 | Human child is a subclass of human youth |
(subclass Boy HumanChild) | Mid-level-ontology.kif 350-350 | Boy is a subclass of human child |
(subclass Girl HumanChild) | Mid-level-ontology.kif 361-361 | Girl is a subclass of human child |
(subclass HumanBaby HumanChild) | Mid-level-ontology.kif 372-372 | Human baby is a subclass of human child |