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

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

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