Complex sentence: Marcos António Quintino Chuva (born 8 August 1989 born in Oeiras) is a Portuguese long jumper who competed for Portugal at the 2012 Summer Olympics in London.
Split into simpler sentences: Marcos António Quintino Chuva (born 8 August 1989) is a Portuguese longjumper. He competed for Portugal at the 2012 Summer Olympics in London.