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

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

*GRAMMAR*
dax -> PINK 
 fep -> YELLOW 
 kiki -> RED 
 lug -> BLUE 
 x1 zup u1 -> [u1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 blicket u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 