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

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

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