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Q Imagine a world in which the colors of things have changed from what we consider normal. Assume the following changes:

Snow is now red.
Grass is now black.
The sky is now brown.
Blood is now white.
Soot is now green.

In such a world, what is the color of dirt?

A Dirt is now blue. The puzzle consists of pairs that exchange colors. Since the sky is now brown, brown things become blue.