*SUPPORT*
IN: gazzer dax lug gazzer tufa gazzer OUT: GREEN GREEN RED GREEN
IN: dax OUT: RED
IN: gazzer lug dax OUT: GREEN RED
IN: dax dax OUT: RED RED
IN: gazzer OUT: GREEN
IN: fep fep lug gazzer OUT: BLUE BLUE GREEN
IN: dax kiki dax lug fep OUT: RED BLUE RED
IN: blicket lug blicket OUT: PURPLE PURPLE
IN: fep lug fep OUT: BLUE BLUE
IN: dax lug gazzer OUT: RED GREEN
IN: fep lug dax OUT: BLUE RED
IN: fep lug gazzer OUT: BLUE GREEN
IN: fep OUT: BLUE
IN: dax lug blicket tufa gazzer OUT: GREEN RED PURPLE

*QUERY*
IN: gazzer lug fep tufa dax OUT: RED GREEN BLUE
IN: gazzer gazzer lug gazzer tufa fep OUT: BLUE GREEN GREEN GREEN
IN: blicket OUT: PURPLE
IN: blicket gazzer gazzer tufa blicket OUT: PURPLE PURPLE GREEN GREEN
IN: dax lug dax OUT: RED RED
IN: blicket lug dax tufa gazzer OUT: GREEN PURPLE RED
IN: gazzer kiki fep lug dax tufa dax OUT: RED BLUE RED GREEN
IN: blicket lug fep OUT: PURPLE BLUE
IN: fep tufa gazzer OUT: GREEN BLUE
IN: dax lug blicket OUT: RED PURPLE

*GRAMMAR*
dax -> RED 
 fep -> BLUE 
 gazzer -> GREEN 
 blicket -> PURPLE 
 x1 tufa u1 -> [u1] [x1] 
 u1 lug u2 -> [u1] [u2] 
 u1 kiki x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 