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

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

*GRAMMAR*
zup -> PINK 
 wif -> GREEN 
 kiki -> PURPLE 
 dax -> BLUE 
 u1 tufa u2 -> [u2] [u1] 
 x1 fep x2 -> [x2] [x1] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 