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

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

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