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

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

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