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

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

*GRAMMAR*
dax -> RED 
 zup -> GREEN 
 wif -> BLUE 
 gazzer -> PINK 
 x1 blicket x2 -> [x2] [x1] 
 u1 kiki u2 -> [u2] [u1] 
 x1 fep -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 