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

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

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