Test

YOU ARE AT THE END OF A ROAD. THERE IS A GRATE HERE. A ROAD LEADS NORTH, SOUTH AND WEST. THERE IS A TREE HERE.
>CLIMB TREE
YOU ARE UP A GUM TREE. THERE IS A NEST HERE. YOU CAN GO DOWN.
>LOOK NEST
IT IS A PERFECTLY NORMAL NEST. IT CONTAINS AN EGG.
>EXAMINE EGG
THE EGG IS OF CURIOUS DESIGN. ON CAREFUL EXAMINATION IT HAS A HINGE AND A SMALL KEYHOLE.