On Old McDonald's farm, there were only 7 animals left: a chicken, a cow, a donkey, a duck, a goat, a horse, and a pig. Below is a grid representing that farm. The barn is represented by a red square of four cells; the pasture is represented by the green cells; and the blue cells represent the pond.
The cow is in the barn.
The horse is in the pasture.
The duck is in the pond.
These three animals are each the only animal in its respective site mentioned.
Each of the cow, donkey, duck, and pig is in a cell adjacent to the outer square fence.
The pig is directly south of some part of the pasture. (North is at the top.)
No two animals are in the same row or column.
No animal is in the brown farm house.
The animal in the fifth row has more legs than the one in the third row.
The goat's column is further east than the horse's column.
Please tell Farmer McDonald the locations of his seven remaining animals.
Adapted from Readers Digest, May/June, 2025.
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