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

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

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