*SUPPORT*
IN: dax gazzer fep OUT: PINK RED PINK PINK
IN: kiki dax gazzer dax OUT: RED YELLOW RED RED RED
IN: lug OUT: GREEN
IN: fep fep blicket kiki gazzer lug OUT: GREEN YELLOW PINK PINK GREEN GREEN
IN: dax OUT: RED
IN: lug tufa kiki blicket fep OUT: PINK YELLOW GREEN YELLOW
IN: kiki fep blicket fep blicket dax OUT: RED PINK YELLOW PINK
IN: lug dax blicket kiki OUT: YELLOW GREEN RED
IN: dax gazzer lug blicket kiki OUT: YELLOW GREEN RED GREEN GREEN
IN: kiki OUT: YELLOW
IN: kiki blicket dax gazzer dax OUT: RED RED YELLOW RED RED
IN: fep kiki blicket fep OUT: PINK PINK YELLOW
IN: fep blicket dax OUT: RED PINK
IN: fep OUT: PINK

*QUERY*
IN: lug gazzer lug blicket kiki blicket fep OUT: PINK YELLOW GREEN GREEN GREEN GREEN
IN: lug blicket lug OUT: GREEN GREEN
IN: fep lug gazzer kiki OUT: YELLOW PINK GREEN YELLOW YELLOW
IN: dax blicket kiki OUT: YELLOW RED
IN: kiki dax fep blicket lug OUT: GREEN YELLOW RED PINK
IN: kiki kiki blicket lug OUT: GREEN YELLOW YELLOW
IN: kiki blicket dax OUT: RED YELLOW
IN: kiki tufa fep lug fep OUT: PINK GREEN PINK YELLOW PINK GREEN PINK
IN: fep kiki OUT: PINK YELLOW
IN: kiki dax OUT: YELLOW RED

*GRAMMAR*
kiki -> YELLOW 
 lug -> GREEN 
 dax -> RED 
 fep -> PINK 
 x1 blicket u1 -> [u1] [x1] 
 x1 tufa x2 -> [x2] [x1] [x2] 
 x1 gazzer u1 -> [u1] [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 