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

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

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