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

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

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