If you get lost in the English, you are dead. You will know you are right by checking the answer with all the conditions. Less than 1 percent of the population can solve this problem. There are five houses. Each house has its own unique color.
All house owners are of different nationalities.
They all have different pets. They all drink different drinks. They all smoke different cigarettes. The Englishman lives in the red house. The Swede has a dog.