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

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

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