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

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

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