Complex sentence: In 2004 Stoll and Rebella released their second feature film "Whisky" it was a surprise hit at the 2004 Cannes Film Festival opening to much acclaim, winning the Regard Original Award.
Split into simpler sentences: In 2004 Stoll and Rebella released their second feature film "Whisky". It was a surprise hit at the 2004 Cannes Film Festival opening to much acclaim, winning the Regard Original Award.