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

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

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