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

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

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