Let us assume that there are five houses of different colors next to each other on the same road. In each house lives a man of a different nationality. Every man has his favorite drink, his favorite brand of cigarettes, and keeps pets of a particular kind.
- The Englishman lives in the red house.
- The Swede keeps dogs.
- The Dane drinks tea.
- The green house is just to the left of the white one.
- The owner of the green house drinks coffee.
- The Pall Mall smoker keeps birds.
- The owner of the yellow house smokes Dunhills.
- The man in the center house drinks milk.
- The Norwegian lives in the first house.
- The Blend smoker has a neighbor who keeps cats.
- The man who smokes Blue Masters drinks bier.
- The man who keeps horses lives next to the Dunhill smoker.
- The German smokes Prince.
- The Norwegian lives next to the blue house.
- The Blend smoker has a neighbor who drinks water.
The question to be answered is: Who keeps fish?
The easiest way to solve this puzzle is drawing a table and fill in it with clues:
|House 1||House 2||House 3||House 4||House 5|