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

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

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