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

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

*GRAMMAR*
zup -> YELLOW 
 lug -> RED 
 kiki -> GREEN 
 tufa -> BLUE 
 u1 gazzer -> [u1] [u1] 
 u1 dax u2 -> [u1] [u2] 
 x1 fep x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 