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

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

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