[The Cajun]

Inside is where you go to convince the human staff that they need to attend to your empty plate

Empty plate, ours won't allow either of the two feeding dishes to be empty without wailing away.
2 eat from one dish, while the other 3 will eat only from the other, same food, but they have some type of agreement among themselves.

[NoCmpromiz]

Empty plate, ours won't allow either of the two feeding dishes to be empty without wailing away.

Probably need to divulge their definition of 'empty'.. Any plate on which they have not witnessed their human deposit a fresh can of food is - empty - regardless of the quantity of its present contents...