[["That would be Cerberus, the 3 headed dog who guards the entrance to Hades to prevent the dead from leaving. ", 253.0], ["Cerebrus is a multiheaded dog in Greek mythology.\n", 97.0], ["In Greek mythology, Cerberus, often referred to as the hound of Hades, is the three-headed dog that guards the gates of the Underworld to prevent the dead from leaving.", 58.0]]
what is the three headed dog
animals,dogs