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

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

*GRAMMAR*
tufa -> YELLOW 
 gazzer -> BLUE 
 kiki -> GREEN 
 dax -> PURPLE 
 x1 fep x2 -> [x1] [x2] 
 u1 lug u2 -> [u1] [u2] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 