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

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

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