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

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

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