Conditional Backdrops

version 1 by John Clemens

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  • Example: * Exclusion - Excluding one room in a region.

        "Exclusion"

        Include Conditional Backdrops by John Clemens.

        Living room is a room. Study is east of living room. Kitchen is south of living room. Yard is north of living room.
        The house is a region. Living room, study, and kitchen are in the house.

        The rug is a conditional backdrop. The rug is not scenery.

        Backdrop condition for the rug:
            if the new location is the kitchen, it is absent;
            if the new location is in the house, it is present.

        Test me with "e / w / s / n / n / s".