| NorthBirdsHeadLanguage(north birds head language) |
| appearance as argument number 1 |
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| (subclass NorthBirdsHeadLanguage NorthCentralBirdsHeadLanguage) | Languages.kif 13707-13707 | North birds head language is a subclass of north central birds head language |
| (documentation NorthBirdsHeadLanguage EnglishLanguage "Of the three NorthCentralBirdsHeadLanguages, one of the three is classified as a NorthBirdsHeadLanguage.(extract from http:/ / www.ethnologue.com/ )") | Languages.kif 13708-13710 | North birds head language is a subclass of north central birds head language |
| appearance as argument number 2 |
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