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

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

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