Complex sentence: The film details the life of one student, loosely based on the Columbia University protests of 1968 and the non-fiction book of the same name by James Simon Kunen, who has a cameo appearance in the film.
Split into simpler sentences: The film details the life of one student, loosely based on the Columbia University protests of 1968 and the non-fiction book of the same name by James Simon Kunen. The original book's author, James Simon Kunen, has a cameo appearance in the film.