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

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

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