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

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

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