Queen, wishing to test the love, handed to the elected a glaring black stone. The opposed thing the queen asked to find. Went all the world, the elected returned with a vessel in hands.
- But your liquid is not white... So, it is not dissimilar to a stone all along the line.
- Look, I'll prove the case ...
And he poured the liquid on the surface of the stone. Disappeared in an instant, both this and that.