Complex sentence: John Creyghton Ainsworth-Davies (April 23,1895 in Aberystwyth, Wales-January 3,1976) was a British athlete, winner of gold medal in 4x400 m relay at the 1920 Summer Olympics.
Split into simpler sentences: John Creyghton Ainsworth-Davies (April 23,1895 in Aberystwyth, Wales-January 3,1976) was a British athlete. He was a winner of an Olympic Gold medal in 4x400 m relay at the 1920 Summer Olympics.