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

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

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