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

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

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