(subclass Excrement BodySubstance) | Mid-level-ontology.kif 2062-2062 | Excrement is a subclass of body substance |
(subclass Feces Excrement) | Mid-level-ontology.kif 2076-2076 | Feces is a subclass of excrement |
(subclass Urine Excrement) | Mid-level-ontology.kif 2094-2094 | Urine is a subclass of excrement |