Complex sentence: About 90% of the people in kyle are all Sioux people and out of the whole Reservation it is about 100% Sioux people Kyle South Dakota is on the Pine Ridge Reservation in Shannon County.
Split into simpler sentences: About 90% of the people in Kyle are all Sioux people and out of the whole reservation, about 100% are Sioux. Kyle, South Dakota, is on the Pine Ridge Reservation in Shannon County.