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

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

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