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

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

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