Complex sentence: Andrés Vasconcellos Mathieu (born February 23,1974) is a retired male freestyle and butterfly swimmer from Ecuador, who competed at the 1996 Summer Olympics for his native South American country.
Split into simpler sentences: Andrés Vasconcellos Mathieu (born February 23,1974) is a retired male freestyle and butterfly swimmer from Ecuador. He competed at the 1996 Summer Olympics for his native South American country.