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

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

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