*SUPPORT*
IN: wif zup gazzer tufa OUT: RED PINK PURPLE BLUE
IN: wif wif fep dax OUT: RED RED RED RED RED RED
IN: tufa fep blicket OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: zup blicket OUT: PINK PINK PINK
IN: zup OUT: PINK
IN: wif fep dax OUT: RED RED RED RED
IN: gazzer fep dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: tufa OUT: BLUE
IN: wif fep blicket OUT: RED RED RED RED RED RED
IN: tufa wif fep OUT: BLUE RED RED
IN: wif blicket OUT: RED RED RED
IN: gazzer zup tufa OUT: PURPLE PINK BLUE
IN: gazzer fep OUT: PURPLE PURPLE
IN: tufa blicket dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE

*QUERY*
IN: tufa fep dax OUT: BLUE BLUE BLUE BLUE
IN: tufa tufa fep OUT: BLUE BLUE BLUE
IN: gazzer gazzer fep dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif wif dax OUT: RED RED RED RED
IN: zup fep OUT: PINK PINK
IN: tufa blicket OUT: BLUE BLUE BLUE
IN: gazzer blicket dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif fep OUT: RED RED
IN: zup tufa blicket OUT: PINK BLUE PINK BLUE PINK BLUE
IN: gazzer OUT: PURPLE

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