Complex sentence: Jang Dong-Hyun (born March 19,1982) is a South Korean football player who since 2008 has played for Seongnam Ilhwa (formerly National Police Agency FC and Seongnam Ilhwa Chunma).
Split into simpler sentences: Jang Dong-Hyun (born March 19,1982) is a South Korean footballer. Since 2008, he has played for Seongnam Ilhwa (formerly National Police Agency FC and Seongnam Ilhwa Chunma).