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

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

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