Complex sentence: António Artur Sanhá (born 1965) was the Prime Minister of Guinea-Bissau from 28 September 2003 to 10 May 2004.
Split into simpler sentences: António Artur Sanhá (born 1965) is a politician in Guinea-Bissau. He was the Prime Minister of Guinea-Bissau from 28 September 2003 to 10 May 2004.