To write a successful original screenplay is not an easy task. That's why there are so many adapted screenplays in the film industry and so as among those highly creditable ones. Years before, famous Chinese kung-fu star Jacky Chan once claimed that he was willing to spend a hundred thousand HK dollars to purchase a good original screenplay for his movie. This showed the insufficiency of good original screenplay in Hong Kong, a place renowned for its film industry worldwide.
Among the countless adaptations in the industry, a simple classification is still possible. …