Complex sentence: The Calvert River is a river in the Northern Territory of Australia which flows into the Gulf of Carpentaria 150 km east of Borroloola, not far from the border with Queensland in the Gulf Coastal bioregion.
Split into simpler sentences: The Calvert River is a river in the Northern Territory of Australia. The river flows into the Gulf of Carpentaria east of Borroloola, not far from the border with Queensland in the Gulf Coastal bioregion.