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

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

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