(subclass ArtisticOccupation SkilledOccupation) | Biography.kif 667-667 | ArtisticOccupation est une sous-classe de SkilledOccupation |
(subclass Musician ArtisticOccupation) | Mid-level-ontology.kif 22240-22240 | Musician est une sous-classe de ArtisticOccupation |