to shore, the waves polish the sands until they gleam, scouring away the mud and silt leaving white sands and blue tropical water.
(they; gleam; ) (the mud and silt; leaving; white sands and blue tropical water) (the waves; polish; the sands; T:until they gleam) Context(the waves polish,List([10, 26))):(the waves; polish the sands scouring away; the mud and silt leaving white sands and blue tropical water)
the waves polish,List([10, 26))
they the mud and silt the waves the waves
gleam leaving polish polish the sands scouring away
white sands and blue tropical water
the sands T:until they gleam
the mud and silt leaving white sands and blue tropical water