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

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

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