*SUPPORT*
IN: kiki tufa zup OUT: PURPLE GREEN
IN: gazzer tufa gazzer fep OUT: BLUE BLUE BLUE BLUE
IN: kiki OUT: PURPLE
IN: zup OUT: GREEN
IN: zup tufa kiki lug gazzer OUT: BLUE GREEN PURPLE
IN: zup dax fep OUT: GREEN YELLOW GREEN YELLOW
IN: kiki tufa kiki lug kiki OUT: PURPLE PURPLE PURPLE
IN: zup tufa dax OUT: GREEN YELLOW
IN: kiki lug gazzer OUT: BLUE PURPLE
IN: dax tufa dax OUT: YELLOW YELLOW
IN: gazzer zup tufa dax OUT: BLUE GREEN YELLOW
IN: kiki kiki lug zup lug zup OUT: GREEN GREEN PURPLE PURPLE
IN: gazzer dax tufa gazzer OUT: BLUE YELLOW BLUE
IN: kiki gazzer OUT: PURPLE BLUE

*QUERY*
IN: gazzer lug gazzer OUT: BLUE BLUE
IN: gazzer zup OUT: BLUE GREEN
IN: gazzer zup fep lug dax lug zup OUT: GREEN YELLOW BLUE GREEN BLUE GREEN
IN: kiki dax fep OUT: PURPLE YELLOW PURPLE YELLOW
IN: gazzer tufa dax OUT: BLUE YELLOW
IN: zup tufa kiki OUT: GREEN PURPLE
IN: dax tufa dax lug gazzer OUT: BLUE YELLOW YELLOW
IN: kiki fep OUT: PURPLE PURPLE
IN: zup kiki lug zup OUT: GREEN GREEN PURPLE
IN: dax OUT: YELLOW

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