Complex sentence: Cathy Larmouth (born July 15,1953 in Torrance, California) is an American model who was "Playboy" magazine's Playmate of the Month for its June 1981 issue.
Split into simpler sentences: Cathy Larmouth (born July 15,1953 in Torrance, California) is an American model. She was "Playboy" magazine's Playmate of the Month for its June 1981 issue.