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

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

*GRAMMAR*
tufa -> BLUE 
 wif -> GREEN 
 fep -> PINK 
 zup -> PURPLE 
 x1 kiki -> [x1] [x1] 
 u1 dax -> [u1] [u1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 