Complex sentence: Aretha Thurmond, née Hill (born 14 August 1976 in Seattle) is an American discus thrower, whose personal best distance is 65.86 metres, achieved in March 2004 in Marietta.
Split into simpler sentences: Aretha Thurmond, née Hill (born August 14,1976 in Seattle) is an American discus thrower. Her personal best distance is, achieved in March 2004 in Marietta.