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

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

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