Complex sentence: The film was banned in New Zealand and Sweden, the former because of the scene where Goose is burned alive inside his vehicle: it unintentionally mirrored an incident with a real gang shortly before the film's release.
Split into simpler sentences: The film was banned in New Zealand and Sweden, the former because of the scene where Goose is burned alive inside his vehicle. It mirrored an incident with a real gang shortly before the film's release.