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

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

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