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

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

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