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

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

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