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

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

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