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

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

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