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

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

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