ZEBRA TEST:

This word problem has 25 variables and 24 are given values.  You must
solve for the 25th. The trick is HOW? If you look at the problem
mathematicly, no sweat. If you get lost in the English, you are dead.  
You will know you are right if you check all of the conditions.

Based on the clues. Who ownes the Zebra?

** There are 5 houses.
** Each house has its own uniq color.
** All the house owners are of different nationalities.
** They all have differnt pets.
** They all drink differnt drinks.
** They all smoke different Cigarettes.
** The Englishman lives in the red house
** The Swede has a dog.
** The Dane drinks tea.
** The green house is on the left side of the white
   house.
** In the green house they drink coffee.
** The man who smokes Pall Mall has birds.
** In the yellow house they smoke Dunhill.
** In the middle house they drink milk.
** The Norwegian lives in the first house.
** The man who smokes blend, lives in the house next
   to the house with cats.
** In the house next to the house where they have
   a horse, they smoke Dunhill
** The man who smokes Blue Master drinks beer.
** The German smokes Prince.
** The Norwegian lives next to the blue house.
** They drink water in the house next to the house
   where they smoke blend.

Who owns the Zebra?