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

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

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