Complex sentence: The Uru-Eu-Wau-Wau whose territory has been protected by law since 1991 saw an influx of an estimated 800 people in 2007, the tribal leaders met with the civil authorities and demanded the trespasser be evicted.
Split into simpler sentences: The Uru-Eu-Wau-Wau, whose territory has been protected by law since 1991, saw an influx of an estimated 800 people in 2007. The tribal leaders met with the civil authorities and demanded the trespassers be evicted.