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

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

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