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

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

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