Complex sentence: Renata de Oliveira Burgos (born January 3,1982 in Jaú, São Paulo) is a freestyle swimmer from Brazil, who represented her native country in the women's 4 × 100 m freestyle relay at the 2004 Summer Olympics in Athens, Greece.
Split into simpler sentences: Renata de Oliveira Burgos (born January 3,1982 in Jaú, São Paulo) is a freestyle swimmer from Brazil. She represented her native country in the women's 4 × 100 m freestyle relay at the 2004 Summer Olympics in Athens, Greece.