Complex sentence: Olena Antonova (born 16 June 1972) is a Ukrainian discus thrower, who's personal best throw is 67.30 metres, achieved in June 2004 in Kyiv.
Split into simpler sentences: Olena Antonova (born 16 June 1972) is a Ukrainian discus thrower. Her personal best throw is 67.30 metres, achieved in June 2004 in Kyiv.