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

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

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