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

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

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