The author of this problem is Albert Einstein who said that 98% of the people in the world couldn't solve it.
Facts:
1. There are 5 houses (along the street) in 5 different colors: blue, green, red, white and yellow. 2. In each house lives a person of a different nationality: Brit, Dane, German, Norwegian and Swede. 3. These 5 owners drink a certain beverage: beer, coffee, milk, tea and water, smoke a certain brand of cigar: Blue Master, Dunhill, Pall Mall, Prince and blend, and keep a certain pet: cat, bird, dog, fish and horse. 4. No owners have the same pet, smoke the same brand of cigar, or drink the same beverage.
Hints:
1. The Brit lives in a red house. 2. The Swede keeps dogs as pets. 3. The Dane drinks tea. 4. The green house is on the left of the white house (next to it). 5. The green house owner drinks coffee. 6. The person who smokes Pall Mall rears birds. 7. The owner of the yellow house smokes Dunhill. 8. The man living in the house right in the center drinks milk. 9. The Norwegian lives in the first house. 10. The man who smokes blend lives next to the one who keeps cats. 11. The man who keeps horses lives next to the man who smokes Dunhill. 12. The owner who smokes Blue Master drinks beer. 13. The German smokes Prince. 14. The Norwegian lives next to the blue house. 15. The man who smokes blend has a neighbor who drinks water.
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