Human: Produce a detailed written description of a serene scene outside of a cave with water, walls, and a waterfall. Assistant: 
Lapping effortlessly at the moss and algae enshrouded walls of the enclosure, the vividly hued water ripples lazily in ebbs and surges. The dusky shadows of the cave afford a buffer to the sun, and the hushed music of the falls provides a soothing background.