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

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

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