Brideshead Revisited is a 2008 British drama film directed by Julian Jarrold. The screenplay by Jeremy Brock and Andrew Davies is based on the 1945 novel of the same name by Evelyn Waugh, which previously had been adapted in 1981 as an the television serial "Brideshead Revisited". Using only the above description and what you know about the world, "Brideshead Revisited is based off of a novel by Evelyn Waugh." is definitely correct, incorrect, or inconclusive? 