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

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

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