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

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

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