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

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

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