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

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

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