Complex sentence: A documentary about the Sony hacks is being developed by director Jehane Noujaim and producers Kareem Amer and Mike Lerner; prior to November 2014, the group were already working on a documentary about international cyberattacks, and quickly switched focus after the revelation of the Sony hacks.
Split into simpler sentences: A documentary about the Sony hacks is being developed by director Jehane Noujaim and producers Kareem Amer and Mike Lerner. Prior to November 2014, the group were already working on a documentary about international cyberattacks, and quickly switched focus after the revelation of the Sony hacks.