Chitty Chitty Bang Bang is a 1968 British musical adventure fantasy film, directed by Ken Hughes and written by Roald Dahl and Hughes, loosely based on Ian Fleming's 1964 novel Chitty-Chitty-Bang-Bang: The Magical Car. The film stars Dick Van Dyke, Sally Ann Howes, Adrian Hall, Heather Ripley, Lionel Jeffries, James Robertson Justice, Robert Helpmann and Gert Frobe.

See options at the end. Can we conclude that is chitty chitty bang bang just a story?

Options are: I. no; II. yes;
II.