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

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

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