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

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

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