(subclass EasternSudanicLanguage NiloSaharanLanguage) | Languages.kif 12471-12471 | EasternSudanicLanguage e' uma sub-classe de NiloSaharanLanguage |
(subclass WestEasternSudanicLanguage EasternSudanicLanguage) | Languages.kif 12477-12477 | WestEasternSudanicLanguage e' uma sub-classe de EasternSudanicLanguage |