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

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

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