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

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

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