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

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

*GRAMMAR*
dax -> BLUE 
 kiki -> YELLOW 
 tufa -> GREEN 
 fep -> PURPLE 
 x1 zup u1 -> [x1] [u1] 
 u1 lug -> [u1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 