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

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

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