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

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

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