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

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

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