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

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

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