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

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

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