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

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

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