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

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

*GRAMMAR*
kiki -> BLUE 
 tufa -> GREEN 
 zup -> YELLOW 
 fep -> RED 
 x1 gazzer x2 -> [x2] [x1] [x2] 
 u1 dax u2 -> [u1] [u2] 
 u1 lug x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 