Rules (for Problem II.1): (R1 IF (R11 IE (ANIMAL is a ungulate) (ANIMAL has long neck) (ANIMAL has long legs) (ANIMAL has dark spots) THEN (ANIMAL is a giraffe)) (ANIMAL has hair) THEN (ANIMAL is a mammal)) (R2 IF (ANIMAL gives milk) THEN (ANIMAL is a mammal)) (R12 IF (ANIMAL is a ungulate) (ANIMAL has black stripes) THEN (ANIMAL is a zebra)) (R3 IF (ANIMAL has feathers) THEN (ANIMAL is a bird)) (R4 IF (R13 IF (ANIMAL is a bird) (ANIMAL does not fly) (ANIMAL has long legs) (ANIMAL has long neck) (ANIMAL is black and white) THEN (ANIMAL is a ostrich )) (ANIMAL flies) (ANIMAL lays eggs) THEN (ANIMAL is a bird)) (R5 IF ANIMAL is a mammal) (ANIMAL eats meat) THEN (ANIMAL is a carnivore)) (R14 IF ANIMAL is a bird) (ANIMAL does not fly) (ANIMAL swims) (ANIMAL is black and white) THEN (ANIMAL is a penguin)) (R6 IF ANIMAL is a mammal1) (ANIMAL has pointed teeth) (ANIMAL has claws) (ANIMAL has forward-pointing eyes) THEN (ANIMAL is a carnivore)) (R15 IE (ANIMAL is a bird) (ANIMAL flies well) THEN (ANIMAL is a albatross)) (R7 IF (ANIMAL is a mammal) (ANIMAL has hoofs) THEN (ANIMAL is a ungulate)) (R8 IF ANIMAL is a mammal1) (ANIMAL chews cud) THEN (ANIMAL is a ungulate)) (R9 IF ANIMAL is a carnivore) (ANIMAL has tawny color) (ANIMAL has dark spots) THEN (ANIMAL is a cheetah)) (R10 IE (ANIMAL is a carnivore) (ANIMAL has tawny color) (ANIMAL has black stripes) THEN (ANIMAL is a tiger)) Rules (for Problem II.1): (R1 IF (R11 IE (ANIMAL is a ungulate) (ANIMAL has long neck) (ANIMAL has long legs) (ANIMAL has dark spots) THEN (ANIMAL is a giraffe)) (ANIMAL has hair) THEN (ANIMAL is a mammal)) (R2 IF (ANIMAL gives milk) THEN (ANIMAL is a mammal)) (R12 IF (ANIMAL is a ungulate) (ANIMAL has black stripes) THEN (ANIMAL is a zebra)) (R3 IF (ANIMAL has feathers) THEN (ANIMAL is a bird)) (R4 IF (R13 IF (ANIMAL is a bird) (ANIMAL does not fly) (ANIMAL has long legs) (ANIMAL has long neck) (ANIMAL is black and white) THEN (ANIMAL is a ostrich )) (ANIMAL flies) (ANIMAL lays eggs) THEN (ANIMAL is a bird)) (R5 IF ANIMAL is a mammal) (ANIMAL eats meat) THEN (ANIMAL is a carnivore)) (R14 IF ANIMAL is a bird) (ANIMAL does not fly) (ANIMAL swims) (ANIMAL is black and white) THEN (ANIMAL is a penguin)) (R6 IF ANIMAL is a mammal1) (ANIMAL has pointed teeth) (ANIMAL has claws) (ANIMAL has forward-pointing eyes) THEN (ANIMAL is a carnivore)) (R15 IE (ANIMAL is a bird) (ANIMAL flies well) THEN (ANIMAL is a albatross)) (R7 IF (ANIMAL is a mammal) (ANIMAL has hoofs) THEN (ANIMAL is a ungulate)) (R8 IF ANIMAL is a mammal1) (ANIMAL chews cud) THEN (ANIMAL is a ungulate)) (R9 IF ANIMAL is a carnivore) (ANIMAL has tawny color) (ANIMAL has dark spots) THEN (ANIMAL is a cheetah)) (R10 IE (ANIMAL is a carnivore) (ANIMAL has tawny color) (ANIMAL has black stripes) THEN (ANIMAL is a tiger))