def case2():
addFact('animal_has_feathers')
addFact('animal_does_not_fly')
addFact('animal_has_long_legs')
addFact('animal_has_long_neck')
addFact('animal_is_black_and_white')
return 'animal_is_ostrich'
def case4():
addFact('animal_gives_milk')
addFact('animal_has_hoofs')
addFact('animal_has_long_legs')
addFact('animal_has_long_neck')
addFact('animal_has_tawny_color')
addFact('animal_has_dark_spots')
return 'animal_is_zebra' # animal_is_giraffe
def case3():
addFact('animal_has_hair')
addFact('animal_eats_meat')
addFact('animal_has_tawny_color')
addFact('animal_has_dark_spots')
return 'animal_is_zebra' # wrong it is a cheetah
def case1():
addFact('animal_gives_milk')
addFact('animal_has_hoofs')
addFact('animal_has_white_color')
addFact('animal_has_black_stripes')
return 'animal_is_zebra'
def case0():
addFact('animal_gives_milk')
return 'animal_gives_milk'
def case():
# d) is a fact
addFact('house_next_lake')
return 'None'
