Einstein IQ Test - free I.Q. test  

1. There are 5 houses of 5 different colours.
2. In each house lives only one person of a different nationality.
3. Those 5 people drink different drinks, smoke cigarettes of a different brand and have a different pet.
4. None of them has the same pet, drinks the same drink or smokes the same cigarette.

There are the following tips :
* The englishman lives in the red house.
* The swedish has a dog as a pet.
* The Dane happily drinks tea.
* The green house is at the left side of the white one.
* The person who lives at the green house drinks coffee.
* The person who smokes Pall Mall raises birds.
* The owner of the yellow house smokes Dunhill.
* The man that lives in the house that is in the middle drinks milk.
* The norwegian lives in the first house.
* The man that smokes Marlboro lives next to the one that has cats.
* The man that raises horses lives next to the one that smokes Dunhill.
* The man that smokes WinField happily drinks beer.
* The norwegian lives next to the blue house.
* The german smokes Rothmans.
* The man that smokes Marlboro is neighbour of the one that drinks water.

Question: Who has the fish? (What is his nationality?)