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

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

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