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

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

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