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

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

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