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

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

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