Puzzle

There are four houses on a street: red, blue, green, and yellow. Each house is occupied by a person of a different nationality: American, British, French, and German. Each person also has a different pet: cat, dog, bird, and fish.

Using the following clues, can you determine who owns the fish?

1. The American lives in the red house.
2. The British live in a house next to the blue house.
3. The French owns a cat.
4. The German lives in the green house.
5. The bird is owned by the person in the yellow house.
6. The person who owns the fish lives next to the person who owns the cat.

Who owns the fish?