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

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

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