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

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

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