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

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

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