Dolphins use sound (echolocation) to navigate, to find prey, and for communication.
(Dolphins; use; sound; to navigate, to find prey, and for communication) Context(Dolphins use,List([0, 12))):(Dolphins; use sound to to find; prey)
Dolphins use,List([0, 12))
Dolphins Dolphins
use use sound to to find
sound to navigate, to find prey, and for communication
prey