[Kubrick presumably was alluding to the Biblical story of Adam's son Cain killing his brother Abel.] The 'enlightened' apes gain domination in the animal world, establish their territorial domain, and take an evolutionary step or leap toward (or away from) humanity.That evening, as she wandered outside to take pictures, her camera caught sight of a man outdoors without cold-weather clothing.Unbelievably, it was remade by playwright John Guare as a Broadway musical (!) in 2002 (with music by composer Marvin Hamlisch), with John Lithgow in the Hunsecker role - but it was a doomed remake that closed a month after it opened.Oblivious to their entrapment, Marge waved goodbye, as the camera panned to the right where a group of white-dressed young girls were jumping rope and singing the Freddy rhyme.