The second stage consists of the actual delivery of the puppies. The third stage is passing of the placenta. The afterbirth might pass with each individual puppy, usually within 15 minutes of delivery. If the mother has a few puppies in rapid succession, those placentas may come out en masse.
Comedies have also been classified in various subgenres, such as romantic comedy, crime/caper comedy, sports comedy, teen or coming-of-age comedy, social-class comedy, military comedy, fish-out-of-water comedy, and gross-out comedy.
Hollywood recognizes the following genres of film: Action, Adventure, Comedy, Crime and Gangster, Drama, Epics and Historical, Horror, Musicals, Science fiction, War and Westerns. Now, even though most recently, Hollywood has begun dabbling mostly in Science Fiction and Action Crime, the trends of which genre predominates, changes every decade. In the early 1980s, the highest grossing films were generally comedies.