'(And (>= (Sling_Underbeam_Space ?X) 12.0) (=< (Sling_Underbeam_Space ?X) 1000.0))
(<= (Has-Constraint $X C-49) (Elevator $X)) (Inherited-Slot-Value Elevator Has-Constraint C-49) (Used-In-Constraint Sling_Underbeam_Space C-49)