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

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

*GRAMMAR*
lug -> RED 
 zup -> GREEN 
 fep -> BLUE 
 kiki -> YELLOW 
 u1 gazzer u2 -> [u2] [u1] [u2] 
 u1 dax -> [u1] [u1] 
 x1 tufa x2 -> [x1] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 