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

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

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