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

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

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