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

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

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