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

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

*GRAMMAR*
dax -> YELLOW 
 lug -> PURPLE 
 kiki -> BLUE 
 gazzer -> GREEN 
 u1 zup -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 x1 fep u1 -> [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 