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

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

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