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

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

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