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

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

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