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

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

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