The Zebra Problem
Order
Nationality
Color
Pet
Drink
Smoke
1
Norwegian
Yellow
Fox
Water
Kools
2
Ukranian
Blue
Horse
Tea
Chesterfields
3
Englishman
Red
Snails
Milk
Old Gold
4
Spaniard
Ivory
Dog
O. J.
Lucky Strike
5
Japanese
Green
Zebra
Coffee
Parlaiment