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% Rules
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rule mammal_1
	if	the body_covering of Creature is hair
	then	the animal_class of Creature is mammal;

rule mammal_2
	if	the feeds_young_on of Creature is milk
	then	the animal_class of Creature is mammal;

rule bird_1
	if	the body_covering of Creature is feathers
	then	the animal_class of Creature is bird;

rule bird_2
	if	the motion of Creature is flies and
		the reproduction of Creature is eggs
	then	the animal_class of Creature is bird;

rule feeding_type_1
	if	the animal_class of Creature is mammal and
		the food of Creature is meat
	then	the feeding_type of Creature is carnivore;

rule feeding_type_2
	if	the animal_class of Creature is mammal and
		the teeth of Creature is pointed and
		the feet of Creature is claws and
		the eyes of Creature is point_forward
	then	the feeding_type of Creature is carnivore;

rule feeding_type_3
	if	the animal_class of Creature is mammal and
		the food of Creature is grass
	then	the feeding_type of Creature is ungulate;

rule feeding_type_4
	if	the animal_class of Creature is mammal and
		the feet of Creature is hoofs
	then	the feeding_type of Creature is ungulate;

rule species_1
	if	the feeding_type of Creature is carnivore and
		the colour of Creature is tawny and
		the marking of Creature is dark_spots
	then	the species of Creature is cheetah;

rule species_2
	if	the feeding_type of Creature is carnivore and
		the colour of Creature is tawny and
		the marking of Creature is black_stripes
	then	the species of Creature is tiger;

rule species_3
	if	the feeding_type of Creature is ungulate and
		the colour of Creature is tawny and
		the marking of Creature is dark_spots and
		the legs_and_neck of Creature is long
	then	the species of Creature is giraffe;

rule species_4
	if	the feeding_type of Creature is ungulate and
		the colour of Creature is black_and_white
	then	the species of Creature is zebra;

rule species_5
	if	the animal_class of Creature is bird and
		the motion of Creature is walks and
		the colour of Creature is black_and_white and
		the legs_and_neck of Creature is long
	then	the species of Creature is ostrich;

rule species_6
	if	the animal_class of Creature is bird and
		the motion of Creature is swims and
		the colour of Creature is black_and_white
	then	the species of Creature is penguin;

rule species_7
	if	the animal_class of Creature is bird and
		the motion of Creature is flies
	then	the species of Creature is albatross;

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% Prompts
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askable colour 'what is the colour (black_and_white,tawny,other,unknown)? ';
askable body_covering
  'what is the body_covering (hair,feathers,other,unknown)? ';
askable feeds_young_on
  'what does it feed its young on (milk,other,unknown)? ';
askable reproduction 'how does it reproduce (eggs,live_birth,unknown)? ';
askable motion 'how does it move (flies,swims,walks,other,unknown)? ';
askable food 'what does it eat (grass,meat,other,unknown)? ';
askable marking
  'describe its markings (black_stripes,dark_spots,other)? ';
askable legs_and_neck 'describe its legs and neck (long,other,unknown)? ';
askable teeth 'describe its teeth (pointed,blunt,unknown)? ';
askable feet 'describe its feet (claws,hoofs,other,unknown)? ';
askable eyes 'describe its eyes (point_forward,other,unknown)? ';

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% Facts
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the body_covering of joe is hair;
the food of joe is grass;
the colour of joe is black_and_white;