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

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

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