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

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

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