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

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

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