Complex sentence: Etsuko Inoue (born October 18,1964) is a retired female tennis player from Japan, who twice represented her native country at the Summer Olympics: in 1984 (Los Angeles, California) and 1988 (Seoul, South Korea).
Split into simpler sentences: Etsuko Inoue (born October 18,1964) is a retired female tennis player from Japan. Inoue twice represented her native country at the Summer Olympics: in 1984 (Los Angeles, California) and 1988 (Seoul, South Korea).