There are 5 houses in five different colors.  In each house lives a
     person with a different nationality.  These five owners drink a
     certain drink, smoke a  certain brand of cigar, and keep a certain
     pet.  No  owners have the same pet, smoke the same brand of cigar, or
     drink the same drink.  The
     question is........who owns the fish?

     Hints:
     the Brit lives in the red house
     the Swede keeps dogs as pets
     the Dane drinks tea
     the green house is on the left of the white house
     the green house owner drinks coffee
     the person who smokes Pall Mal rears birds
     the owner of the yellow house smokes Dunhill
     the man living in the house right in the center drinks milk
     the Norwegian lives in the first house
     the man who smokes Blends lives next to the one who keeps cats
     the man who keeps horses lives next to the one who smokes Dunhill
     the owner who smokes Blue Master drinks beer
     the German smokes Prince
     the Norwegian lives next to the blue house
     the man who smokes Blend has a neighbor who drinks water

     (Einstein wrote this quiz last century.  He said that 98% of the World
     could not figure it out.)