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

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

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