The smart dog goes to the butcher's shop every Wednesday morning to do his owner's shopping. This Wednesday, the dog walks into the butcher's shop as usual with a purse around his neck. When the butcher sees what the dog wants, he puts his paw at sausages. The butcher asks him "How many pounds?" and the dog blinks his eyes twice. The butcher bags two pounds of sausages. "Anything else?" he asks the dog points to the hamburgers. The butcher asks him "How many?" and the dog barks four times so the butcher bags four hamburgers. The dog then sneaks behind the counter and watches very still so the butcher could open his purse, take the right