(subclass BirdsHeadLanguage WestPapuanLanguage) | Languages.kif 13665-13665 | 子類 鳥頭語言 and 西papuan語言 |
(subclass NorthCentralBirdsHeadLanguage BirdsHeadLanguage) | Languages.kif 13671-13671 | 子類 中北部鳥類頭語 and 鳥頭語言 |
(subclass WestBirdsHeadLanguage BirdsHeadLanguage) | Languages.kif 13724-13724 | 子類 西鳥頭語 and 鳥頭語言 |
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