Complex sentence: It is director Jo Sung-hee's first commercial film, and had its world premiere in the "Contemporary World Cinema" section of the 2012 Toronto International Film Festival, then screened at the Busan International Film Festival before its theatrical release.
Split into simpler sentences: It is director Jo Sung-hee's first commercial film,. The movie had its world premiere in the "Contemporary World Cinema" section of the 2012 Toronto International Film Festival, then screened at the Busan International Film Festival before its theatrical release.