Complex sentence: Mustafa Osman Ismail (born 1955 in Dongola, Sudan) was the foreign minister of Sudan from 18 February 1998 to 18 September 2005.
Split into simpler sentences: Mustafa Osman Ismail (born 1955 in Dongola, Sudan) is a former Sudanese politcian. Ismail was the foreign minister of Sudan from 18 February 1998 to 18 September 2005.