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

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

*GRAMMAR*
zup -> PURPLE 
 fep -> YELLOW 
 dax -> RED 
 tufa -> BLUE 
 x1 kiki x2 -> [x1] [x2] 
 u1 lug u2 -> [u2] [u1] [u2] 
 u1 gazzer u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 