Complex sentence: Rogel Nachum (born 21 May 1967) is a retired Israeli triple jumper, who's personal best was 17.20 metres, achieved in June 1992 in Seville.
Split into simpler sentences: Rogel Nachum (born 21 May 1967) is a retired Israeli triple jumper. His personal best was 17.20 metres, achieved in June 1992 in Seville.