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

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

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