Assertion: empire's language | /r/CapableOf | isolate in linguistic
Facets:
Source sentences:
text: The Sumerian language is regarded as a language isolate in linguistics as it belongs to no known language family.
text: The Sumerian language is generally regarded as a language isolate in linguistics because it belongs to no known language family; Akkadian, by contrast, belongs to the Semitic branch of the Afroasiatic languages.