Complex sentence: Schwarzenegger drew attention and boosted his profile in the bodybuilding film "Pumping Iron" (1977), elements of which were dramatized; in 1991, he purchased the rights to the film, its outtakes, and associated still photography.
Split into simpler sentences: Schwarzenegger drew attention and boosted his profile in the bodybuilding film "Pumping Iron" (1977), elements of which were dramatized. In 1991, Schwarzenegger purchased the rights to the film, its outtakes, and associated still photography.