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

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

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