Complex sentence: A common form of film adaptation is the use of a novel as the basis of a feature film, but film adaptation includes the use of non-fiction (including journalism), autobiography, comic book, scripture, plays, historical sources, and even other films.
Split into simpler sentences: A common form of film adaptation is the use of a novel as the basis of a feature film. Other works adapted into films include non-fiction (including journalism), autobiography, comic books, scriptures, plays, historical sources, and even other films.