Finding Neverland, a British-American historical fantasy drama film released in 2004, is about playwright J. M. Barrie and his relationship with a family who inspired him to create "Peter Pan", directed by Marc Forster. The screenplay by David Magee is based on the play "The Man Who Was Peter Pan" by Allan Knee. Using only the above description and what you know about the world, "The screenplay by David Magee took years to complete." is definitely correct, incorrect, or inconclusive? 