Class Room
    with add_to_scope [;
        AddToScope(computer);
        PlaceInScope(computer);
        AddToScope(lights);
        PlaceInScope(lights);
    ],
    has light;

! Class Set
!     with before [;
!         Examine: return false;
!         default: print_ret "You can't do that with ", (the) self, ".";
!     ],
!     has scenery;

Class Decoration
    with before [;
        Take,Pull,Push,PushDir:
            print_ret "You can't do that with ", (the) self, ".";
    ],
    has static;

! Class Furniture
!     class Decoration,
!     with before [;
!         Take,Pull,Push,PushDir:
!             print_ret (the) self, " is too heavy for that.";
!     ],
!     has supporter;