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

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

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