Choose your answer: Is "The Sumerians were a non-Semitic caucasoid people, and spoke a language isolate; a number of linguists believed they could detect a substrate language beneath Sumerian, because names of some of Sumer's major cities are not Sumerian, revealing influences of earlier inhabitants." a good answer to the question "Who were a non-Semitic caucasoid people?"
OPT: a). yes; b). no;
a).