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

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

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