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

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

*GRAMMAR*
lug -> PINK 
 dax -> RED 
 gazzer -> PURPLE 
 zup -> GREEN 
 x1 wif u1 -> [x1] [u1] 
 u1 kiki u2 -> [u2] [u1] 
 u1 fep u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 