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

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

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