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

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

*GRAMMAR*
zup -> PINK 
 tufa -> RED 
 dax -> BLUE 
 fep -> PURPLE 
 x1 gazzer x2 -> [x2] [x1] [x1] 
 u1 blicket u2 -> [u2] [u1] 
 u1 wif -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 