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

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

*GRAMMAR*
fep -> RED 
 zup -> PURPLE 
 dax -> YELLOW 
 blicket -> BLUE 
 x1 lug -> [x1] [x1] [x1] [x1] 
 u1 gazzer u2 -> [u2] [u1] [u2] 
 x1 tufa x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 