*SUPPORT*
IN: dax fep kiki OUT: PURPLE RED
IN: lug OUT: YELLOW
IN: dax tufa OUT: RED BLUE
IN: tufa kiki blicket OUT: BLUE PURPLE BLUE PURPLE
IN: tufa fep dax OUT: RED BLUE
IN: tufa blicket OUT: BLUE BLUE
IN: tufa OUT: BLUE
IN: tufa gazzer dax OUT: RED RED BLUE
IN: dax OUT: RED
IN: tufa tufa fep kiki tufa lug gazzer dax OUT: BLUE PURPLE BLUE RED RED YELLOW BLUE
IN: kiki lug gazzer lug blicket OUT: PURPLE YELLOW YELLOW YELLOW PURPLE YELLOW YELLOW YELLOW
IN: dax lug blicket OUT: RED YELLOW RED YELLOW
IN: dax kiki OUT: RED PURPLE
IN: tufa fep dax blicket OUT: RED RED BLUE

*QUERY*
IN: lug fep tufa fep dax dax kiki OUT: RED RED PURPLE BLUE YELLOW
IN: lug kiki OUT: YELLOW PURPLE
IN: tufa lug OUT: BLUE YELLOW
IN: kiki lug kiki fep tufa gazzer kiki OUT: PURPLE YELLOW PURPLE PURPLE BLUE PURPLE
IN: tufa gazzer lug OUT: YELLOW YELLOW BLUE
IN: kiki gazzer lug OUT: YELLOW YELLOW PURPLE
IN: kiki OUT: PURPLE
IN: lug lug fep dax kiki OUT: YELLOW RED PURPLE YELLOW
IN: kiki dax fep dax fep tufa blicket OUT: PURPLE BLUE RED RED PURPLE BLUE RED RED
IN: lug gazzer dax OUT: RED RED YELLOW

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