(subclass NigerCongoLanguage SpokenHumanLanguage) | Languages.kif 12456-12456 | NigerCongoLanguage は SpokenHumanLanguage の subclass では %n |
(subclass AkanLanguage NigerCongoLanguage) | Languages.kif 14555-14555 | AkanLanguage は NigerCongoLanguage の subclass では %n |