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

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

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