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

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

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