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

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

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