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

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

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