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

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

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