Complex sentence: The Pawnee continue to practice cultural traditions, meeting twice a year for the inter-tribal gathering with their kinsmen the Wichita Indians, and the annual four-day Pawnee Homecoming for Pawnee veterans in July.
Split into simpler sentences: The Pawnee continue to practice cultural traditions, meeting twice a year for the inter-tribal gathering with their kinsmen the Wichita Indians. They have an annual four-day Pawnee Homecoming for Pawnee veterans in July.