Complex sentence: Anna Mrozińska (born 25 November 1985) is a retired Polish rhythmic gymnast who competed at the 2004 Olympics and the 2003 Gymnastic World Championship She retired from her professional career in 2006.
Split into simpler sentences: Anna Mrozińska (born 25 November 1985) is a retired Polish rhythmic gymnast who competed at the 2004 Olympics. Mrozińska represented Poland in the 2003 Gymnastic World Championship She retired from her professional career in 2006.