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

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

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