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

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

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