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

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

*GRAMMAR*
blicket -> BLUE 
 dax -> YELLOW 
 wif -> PINK 
 gazzer -> RED 
 x1 zup -> [x1] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 kiki x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 