The correct answer for number one is True since there are many genres that can be organized into categories. False is the answer in number two because a book or movie can have more than one genre. An example is Harry Potter because it includes the elements of mystery, adventure, drama and romance. For number three, the right answer is False. Science fiction deals with imaginative scientific concepts. A literature piece or movie can be set in the future without focusing on scientific innovations.The answer for number four is True as gangster films or mob films is a sub genre of crime films.