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

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

*GRAMMAR*
gazzer -> YELLOW 
 dax -> GREEN 
 kiki -> BLUE 
 zup -> PURPLE 
 x1 lug u1 -> [u1] [x1] 
 x1 fep x2 -> [x2] [x1] 
 u1 tufa -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 