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

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

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