The original Seattleites--the NW Indians--have become so Californian they're Nevadans.
The original Seattleites, the Indians of the NW have become so Californian they're Nevadans.
mnli hypothesis: The original Seattleites, the Indians of the NW have become so Californian they're Nevadans. premise: The original Seattleites--the NW Indians--have become so Californian they're Nevadans.