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

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

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