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

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

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