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

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

*GRAMMAR*
lug -> PINK 
 gazzer -> GREEN 
 tufa -> BLUE 
 dax -> RED 
 u1 blicket x1 -> [u1] [x1] 
 x1 zup x2 -> [x1] [x2] 
 u1 kiki u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 