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

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

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