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

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

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