Complex sentence: Salami slicing has played a key role in the plots of several films, including "Superman III", "Hackers", and "Office Space" (one of whose characters mentions "Superman III" as inspiration).
Split into simpler sentences: Salami slicing has played a key role in the plots of several films. The films, including "Superman III", "Hackers", and "Office Space" (one of whose characters mentions "Superman III" as inspiration).