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

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

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