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

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

*GRAMMAR*
lug -> RED 
 gazzer -> BLUE 
 dax -> GREEN 
 zup -> PURPLE 
 x1 fep u1 -> [x1] [u1] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 