# Now reason behind, I just do things like that
animals_i_eat = set(["turkey", "chicken", "cow"])
animals_i_adore = set(["hedgehog", "raccoon", "turkey"])
print animals_i_adore
print "Animals I eat and adore:", ', '.join(animals_i_adore.intersection(animals_i_eat)) + '.'
print "Animals I just adore:", ', '.join(animals_i_adore.difference(animals_i_eat)) + '.'