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

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

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