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

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

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