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

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

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