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

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

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