Complex sentence: Plans for the film were first announced in 2007 and in 2011 it was announced that Boni and Ristori were attached to direct, with filming expected to take place the following year.
Split into simpler sentences: Plans for the film were first announced in 2007. In 2011 it was announced that Boni and Ristori were attached to direct, with filming expected to take place the following year.