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

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

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