Complex sentence: The movie opens with a hungover Josh (Xavier Samuel) being woken up by Rory (Richard Brancatisano) saying that he shouldn't have proposed to his sister, Tina (Sharni Vinson).
Split into simpler sentences: The movie opens with a hungover Josh (Xavier Samuel) being woken up by Rory (Richard Brancatisano). Rory tells Josh that he shouldn't have proposed to his sister, Tina (Sharni Vinson).