Who Owns the Fish? This exercise is attributed to Albert Einstein! There are five houses in a row and in five different colours. In each house lives a person from a different country. Each person drinks a certain drink, plays a certain game, and keeps a certain pet. No two people drink the same drink, play the same game, or keep the same pet. The Brit on lives in a red house. The Swede keeps dogs. The Dane drinks tea. The green house is on the left of the white house. The green house owner drinks coffee. The person who plays tennis rears birds. The owner of the yellow house plays chess. The man living in the house right in the centre drinks milk. The Norwegian lives in the first house. The man who plays poker lives next to the man who keeps cats. The man who keeps horses lives next to the one who plays chess. The man who plays billiards drinks beer. The German plays golf. The Norwegian lives next to the blue house. The man who plays poker has a neighbour who drinks water. Who owns the fish?