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