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

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

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