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

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

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