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

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

*GRAMMAR*
lug -> PURPLE 
 fep -> BLUE 
 zup -> RED 
 gazzer -> YELLOW 
 x1 blicket x2 -> [x2] [x1] 
 x1 dax -> [x1] [x1] [x1] 
 u1 tufa -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 