This puzzle is rated 1 star (easy).
This puzzle is taken from the film Die Hard With A Vengeance, where the characters John McClane and Zeus Carver open a briefcase only to discover that in doing so they have armed a powerful bomb. It will explode in a matter of minutes unless they can disarm it. Inside the briefcase there is a scale. They have at their disposal two jugs, like the ones shown above. 1 jug can hold exactly 5 litres of water and the other exactly 3 litres of water. The water can be obtained from a nearby fountain.
Fill the 5 litre jug with exactly 4 litres of water.
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