In the dark or muddy water in which it feeds, the dolphins uses sound to find prey.
(it; feeds; L:the dark or muddy water) (the dolphins; uses; sound; to find prey; L:In the dark or muddy water) Context(the dolphins uses,List([46, 63))):(the dolphins; uses sound to find; prey)
the dolphins uses,List([46, 63))
it the dolphins the dolphins
feeds uses uses sound to find
L:the dark or muddy water
sound to find prey L:In the dark or muddy water
prey