COMMAND Open Door
1AtLocation [Front of House]
    2InRoom [Closed Door]
        3FlagOn [Door Locked]
         PrintMessage "The door appears to be locked."
         DoneWithTurn
        3FlagOff [Door Locked]
         PrintMessage "The door swings open."
         SwapLocations [Closed Door] [Open Door]
         ChangePassageway [Living Room] [North]
         DoneWithTurn
    2InRoom [Open Door]
     PrintMessage "The door is already open silly!"
     DoneWithTurn
1NOT AtLocation [Front of House]
&OR 
&NOT AtLocation [Side of House]
 PrintMessage "I don't see any door here."
 DoneWithTurn
END_COMMAND