*SUPPORT*
IN: dax lug dax blicket OUT: BLUE BLUE BLUE BLUE
IN: gazzer tufa gazzer lug wif OUT: PINK YELLOW PINK
IN: wif wif OUT: YELLOW YELLOW
IN: kiki blicket OUT: RED RED
IN: kiki lug wif OUT: RED YELLOW
IN: gazzer lug wif OUT: PINK YELLOW
IN: dax lug wif OUT: BLUE YELLOW
IN: kiki lug gazzer OUT: RED PINK
IN: dax tufa gazzer OUT: PINK BLUE
IN: wif lug dax OUT: YELLOW BLUE
IN: dax OUT: BLUE
IN: wif OUT: YELLOW
IN: dax wif lug gazzer OUT: BLUE YELLOW PINK
IN: dax gazzer kiki tufa wif wif OUT: YELLOW YELLOW BLUE PINK RED

*QUERY*
IN: dax lug dax OUT: BLUE BLUE
IN: dax lug wif blicket OUT: BLUE YELLOW BLUE YELLOW
IN: gazzer lug gazzer OUT: PINK PINK
IN: kiki lug wif blicket OUT: RED YELLOW RED YELLOW
IN: kiki OUT: RED
IN: kiki gazzer lug gazzer OUT: RED PINK PINK
IN: gazzer OUT: PINK
IN: dax lug kiki OUT: BLUE RED
IN: dax lug gazzer blicket OUT: BLUE PINK BLUE PINK
IN: gazzer lug kiki tufa kiki lug wif OUT: RED YELLOW PINK RED

*GRAMMAR*
wif -> YELLOW 
 dax -> BLUE 
 gazzer -> PINK 
 kiki -> RED 
 x1 blicket -> [x1] [x1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 lug u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 