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

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

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