*SUPPORT*
IN: kiki OUT: RED
IN: dax tufa tufa wif OUT: YELLOW BLUE BLUE BLUE BLUE
IN: dax lug dax gazzer OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax gazzer OUT: YELLOW YELLOW
IN: tufa OUT: BLUE
IN: kiki lug kiki OUT: RED RED RED
IN: fep OUT: PURPLE
IN: fep wif OUT: PURPLE PURPLE PURPLE
IN: kiki wif gazzer OUT: RED RED RED RED RED RED
IN: kiki lug dax OUT: YELLOW RED YELLOW
IN: fep lug tufa OUT: BLUE PURPLE BLUE
IN: kiki kiki OUT: RED RED
IN: dax lug dax OUT: YELLOW YELLOW YELLOW
IN: fep lug kiki OUT: RED PURPLE RED

*QUERY*
IN: dax dax lug dax OUT: YELLOW YELLOW YELLOW YELLOW
IN: dax lug tufa gazzer OUT: BLUE YELLOW BLUE BLUE YELLOW BLUE
IN: kiki lug tufa OUT: BLUE RED BLUE
IN: dax OUT: YELLOW
IN: kiki lug fep OUT: PURPLE RED PURPLE
IN: kiki gazzer OUT: RED RED
IN: fep fep lug dax gazzer OUT: PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW PURPLE YELLOW
IN: fep lug kiki gazzer OUT: RED PURPLE RED RED PURPLE RED
IN: fep dax lug kiki OUT: PURPLE RED YELLOW RED
IN: tufa dax wif OUT: BLUE YELLOW YELLOW YELLOW

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