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

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

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