(Aafo Quiz #2) Here you see a swamp with six frogs. You must exchange the positions of the brown and green frogs, using the following rules: A frog can only jump to an empty water lily. A frog can only jump over at most one other frog, that has another color. A frog can only jump forward (so the green frogs jump right and the brown frogs jump left)

(Aafo Quiz) There is a street in London with five houses in a row, each with front door of a different colour. In each house lives a man of a different nationality, with a different sort of pet. Each man has a favourite drink and a favourite brand of cigarretes, which are different from those of his neighbours. Some of the informationis given in the following 15 sentences, and this should be entered in the table below. The wuestion is: WHO OWNS THE KANGAROO?