Intelligence Test question: who raises fish?

After reasoning, I realized that I was stupid. It took me a long time to find out that it was actually easy.
Question:
1. There are five houses in a street and 5 colors are sprayed.
2. There are people of different nationalities in each room.
3. Each person drinks different drinks, smokes cigarettes of different brands, and raises different pets.
The question is: who raises fish?
Tip:
1. -- British people live in a red house
2. -- dog raising in Swedes
3. -- Danish drinking tea
4. -- the green house is on the left of the White House
5. -- the green house owner drinks coffee
6. -- the person who smokes Pall Mall cigarettes Raises birds
7. -- yellow house owners smoke Dunhill cigarettes
8. -- people who live in the Middle House drink milk
9. -- Norwegian residents stay in the first room
10. -- the person who smokes blends cigarettes lives next to the person who raises the cat
11. -- the horse-raising person lives next to Dunhill cigarettes
12. -- drinking beer from Blue master
13. -- Germans smoke Prince cigarettes
14. -- Norwegian residents live next to the Blue House
15. -- a person who smokes blends cigarettes has a neighbor who drinks water.

Answer:
Huang LAN, red, green, and white
Norwegian Danish, British, German, Swedish
Cat, horse, bird, fish, dog
Water tea milk coffee beer
Dunhill blends Pall Mall Prince blue master

Process:
(1) Norwegian residents living in the first room + Norwegian residents living in the blue house next door => the second room must be blue
British people live in a red house + Norwegian people stay in the first room => the first room cannot be red
The green house is on the left of the White House => the White House cannot be on the far left.
The green house is on the left of the White House => the green house cannot be on the rightmost side.
The green house is on the left of the White House.
Green house owners drink coffee + people who live in the Middle House drink milk = the middle cannot be a green house
==> The House can only be
Huang LAN, red, green, and white

(2)
Norwegian residents in the first room
British house in red
People living in the middle House drink milk + Danes drink tea => Danes do not live in the middle
Green house owners drink coffee + Danes drink tea => Danes do not live in green
==> There are only four ways to live
Huang LAN, red, green, and white
Norwegian Swedish, British, German, Danish

Huang LAN, red, green, and white
Norwegian Danish, British, Swedish, German

Huang LAN, red, green, and white
Norwegian Danish, British, German, Swedish

Huang LAN, red, green, and white
Norwegian, German, British, Swedish, Danish

(3) yellow house owners smoke Dunhill cigarettes
Horse farmers live next to Dunhill cigarettes
Swedish dog raising
==> Swedes do not live in the orchid house

Huang LAN, red, green, and white
Norwegian Danish, British, Swedish, German

Huang LAN, red, green, and white
Norwegian Danish, British, German, Swedish

Huang LAN, red, green, and white
Norwegian, German, British, Swedish, Danish

(4)
Swedish dog raising
Danish drinking tea
Germans smoke Prince cigarettes
Green house owners drink coffee
Yellow house owners smoke Dunhill cigarettes
People in the middle House drink milk
Horse farmers live next to Dunhill cigarettes
==>
Huang LAN, red, green, and white
Norwegian Danish, British, Swedish, German
Horse and dog
Tea, milk, and coffee
Dunhill prince

Huang LAN, red, green, and white
Norwegian Danish, British, German, Swedish
Horse and dog
Tea, milk, and coffee
Dunhill prince

Huang LAN, red, green, and white
Norwegian, German, British, Swedish, Danish
Horse and dog
Milk coffee tea
Dunhill prince

(5)
Beer from Blue master
==> This condition can be met only in the second case. In other cases, each person has at least one hobby.
// * Because four items already exist, the same below
Huang LAN, red, green, and white
Norwegian Danish, British, German, Swedish
Horse and dog
Water * tea milk coffee beer
Dunhill Prince blue master
(6) add other conditions to obtain the result.
> A person who smokes blends cigarettes has a neighbor who drinks water.
Huang LAN, red, green, and white
Norwegian Danish, British, German, Swedish
Horse and dog
Water tea milk coffee beer
Dunhill blendspall mall * Prince blue master
> People who smoke Pall Mall cigarettes raise birds
Huang LAN, red, green, and white
Norwegian Danish, British, German, Swedish
Ma, bird, and dog
Water tea milk coffee beer
Dunhill blendspall mall * Prince blue master
> The person who smokes blends cigarettes lives next to the person who raises the cat.
Huang LAN, red, green, and white
Norwegian Danish, British, German, Swedish
Cats, horses, birds, and dogs
Water tea milk coffee beer
Dunhill blendspall mall * Prince blue master