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

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

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