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

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

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