Complex sentence: Originally conceived as "The Greatest Story Overtold", an irreverent spoof of the 1965 movie "The Greatest Story Ever Told", the film was influenced by the increase in popularity and profitability of Christian evangelism.
Split into simpler sentences: Originally conceived as "The Greatest Story Overtold", an irreverent spoof of the 1965 movie, "The Greatest Story Ever Told". It was influenced by the increase in popularity and profitability of Christian evangelism.