Complex sentence: Nassour Guelendouksia Ouaido (born 1947) served as prime minister of Chad from May 17,1997 until December 13,1999.
Split into simpler sentences: Nassour Guelendouksia Ouaido (born 1947) is a Chadian politician and former Prime Minister. He served as prime minister of Chad from May 17,1997 until December 13,1999.