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

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

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