Complex sentence: The Bamangwato people are one of the eight principal tribes of Botswana, and its hereditary chief automatically takes one of the fifteen places in the House of Chiefs, Botswana's parliamentary upper house.
Split into simpler sentences: The Bamangwato people are one of the eight principal tribes of Botswana. Its hereditary chief automatically takes one of the fifteen places in the House of Chiefs, Botswana's parliamentary upper house.