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

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

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