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

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

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