*SUPPORT*
IN: zup fep dax wif zup OUT: PINK PINK PINK BLUE YELLOW
IN: zup OUT: PINK
IN: zup zup OUT: PINK PINK
IN: gazzer kiki gazzer OUT: PURPLE PURPLE
IN: gazzer OUT: PURPLE
IN: zup zup wif dax OUT: YELLOW YELLOW PINK PINK
IN: zup zup zup zup kiki zup fep OUT: PINK PINK PINK PINK PINK BLUE
IN: fep wif fep OUT: BLUE BLUE BLUE
IN: fep gazzer zup wif fep OUT: BLUE BLUE BLUE PURPLE PINK
IN: fep dax OUT: BLUE YELLOW
IN: gazzer gazzer kiki fep OUT: PURPLE PURPLE BLUE
IN: zup fep lug dax kiki fep OUT: YELLOW BLUE PINK BLUE
IN: dax dax wif gazzer OUT: PURPLE PURPLE YELLOW YELLOW
IN: zup gazzer fep dax OUT: PINK PURPLE BLUE YELLOW

*QUERY*
IN: gazzer zup OUT: PURPLE PINK
IN: dax lug fep OUT: BLUE YELLOW
IN: fep gazzer kiki gazzer kiki dax OUT: BLUE PURPLE PURPLE YELLOW
IN: fep kiki zup kiki zup OUT: BLUE PINK PINK
IN: dax fep OUT: YELLOW BLUE
IN: zup gazzer OUT: PINK PURPLE
IN: fep OUT: BLUE
IN: dax OUT: YELLOW
IN: gazzer lug fep lug zup OUT: PINK BLUE PURPLE
IN: zup kiki dax OUT: PINK YELLOW

*GRAMMAR*
dax -> YELLOW 
 gazzer -> PURPLE 
 zup -> PINK 
 fep -> BLUE 
 x1 lug x2 -> [x2] [x1] 
 x1 wif x2 -> [x2] [x2] [x1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 