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

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

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