The Four Houses: The Person in the Grey House, the Sailor, and the Horse Keeper

Verified— unique solution

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Four houses stand in a row, numbered 1 to 4 from left to right. Each holds exactly one of each attribute, and no attribute repeats. Work out the full arrangement from these clues: 1. The person in the grey house is not the juice drinker. 2. The person in the green house is the baker. 3. The person in the red house is immediately to the left of the person in the green house. 4. The person in the red house is somewhere to the left of the milk drinker. 5. The person in the grey house is the fish keeper. 6. The cat owner is the beer drinker. 7. The water drinker is immediately to the right of the sailor. 8. The person in the red house is the bird keeper. 9. The chess player is the milk drinker. 10. The sailor is the juice drinker. 11. The bird keeper is the water drinker.

Hints

Hint 1

Hint 2

Hint 3

Solution

Commit an attempt to unseal the proof. Write your answer — right or wrong, thinking it through is the point.

In the final arrangement, which numbered house (1–4) does “the person in the yellow house” end up at? Answer with the number.

Hints

Solution

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