Complex sentence: Although inspired by Hirschfeld's life, the film is a work of fiction containing invented characters and incidents and attributing motives and sentiments to Hirschfeld and others on the basis of little or no historical evidence.
Split into simpler sentences: Although inspired by Hirschfeld's life, the film is fictional. It contains invented characters and incidents and attributes motives and sentiments to Hirschfeld and others on the basis of little or no historical evidence.