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

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

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