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

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

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